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python3-aiohttp: fix CVE-2026-34519

Browse Source 
This patch applies the upstream stable-branch fix in [1], which
backports the original upstream commit in [2]. The advisory
identifying the fix is referenced in [3].

[1] https://github.com/aio-libs/aiohttp/commit/53b35a2f8869c37a133e60bf1a82a1c01642ba2b
[2] https://github.com/aio-libs/aiohttp/commit/18510482de080bf741c560bf2a190fdc54b4eed4
[3] https://nvd.nist.gov/vuln/detail/CVE-2026-34519

Signed-off-by: Darsh Kelaiya <dkelaiya@cisco.com>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>
This commit is contained in:
Darsh Kelaiya authored and Anuj Mittal committed 2026-10-26 10:10:33 +05:30
1 parent 0f00f8b9a2
commit 1a8597f6cb
2 files changed
+639
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meta-python/recipes-devtools/python/python3-aiohttp/CVE-2026-34519.patch
+638
View File
@@ -0,0 +1,638 @@
From 0eb0a867fe5a9071b885c60ada894dc11da5f858 Mon Sep 17 00:00:00 2001
From: Sam Bull <git@sambull.org>
Date: Sat, 7 Mar 2026 19:00:02 +0000
Subject: [PATCH] Restrict reason (#12209) (#12212)
CVE: CVE-2026-34519
Upstream-Status: Backport [https://github.com/aio-libs/aiohttp/commit/53b35a2f8869c37a133e60bf1a82a1c01642ba2b]
Backport Changes:
- Replaced the upstream _write_str_raise_on_nlcr() call with the
existing _safe_header(status_line) implementation because
aiohttp 3.9.5 does not provide _write_str_raise_on_nlcr().
- Added CR/LF validation in web_response.py because aiohttp 3.9.5
lacks the upstream LF-only reason check, while retaining its existing
HTTPStatus phrase lookup and set_status implementation.
- Adapted the upstream regression tests to the aiohttp 3.9.5 imports
and test signatures, and added coverage for status-line
serialization.
- Regenerated _http_writer.c with Cython 3.0.5 because the accelerated
build uses the checked-in generated source.
(cherry picked from commit 18510482de080bf741c560bf2a190fdc54b4eed4)
---------
Co-authored-by: Dhiral Vyas <dhiral@users.noreply.github.com>
(cherry picked from commit 53b35a2f8869c37a133e60bf1a82a1c01642ba2b)
Signed-off-by: Darsh Kelaiya <dkelaiya@cisco.com>
---
aiohttp/_http_writer.c | 147 ++++++++++++++++++++++++++-----------------------
aiohttp/_http_writer.pyx | 1 +
aiohttp/http_writer.py | 1 +
aiohttp/web_exceptions.py | 2 ++
aiohttp/web_response.py | 2 ++
tests/test_web_exceptions.py | 15 +++++++++++++++
tests/test_web_response.py | 26 ++++++++++++++++++++++++++
7 files changed, 130 insertions(+), 70 deletions(-)
diff --git a/aiohttp/_http_writer.pyx b/aiohttp/_http_writer.pyx
index eff852195..24e5bb752 100644
--- a/aiohttp/_http_writer.pyx
+++ b/aiohttp/_http_writer.pyx
@@ -131,6 +131,7 @@ def _serialize_headers(str status_line, headers):
_safe_header(to_str(key))
_safe_header(to_str(val))
+ _safe_header(status_line)
try:
if _write_str(&writer, status_line) < 0:
raise
diff --git a/aiohttp/_http_writer.c b/aiohttp/_http_writer.c
index 74bc210ea..7eecc2940 100644
--- a/aiohttp/_http_writer.c
+++ b/aiohttp/_http_writer.c
@@ -3852,7 +3852,7 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
* _safe_header(to_str(key))
* _safe_header(to_str(val)) # <<<<<<<<<<<<<<
*
- * try:
+ * _safe_header(status_line)
*/
__pyx_t_6 = __pyx_f_7aiohttp_12_http_writer_to_str(__pyx_v_val); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 132, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_6);
@@ -3864,34 +3864,43 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
/* "aiohttp/_http_writer.pyx":134
* _safe_header(to_str(val))
*
+ * _safe_header(status_line) # <<<<<<<<<<<<<<
+ * try:
+ * if _write_str(&writer, status_line) < 0:
+ */
+ __pyx_f_7aiohttp_12_http_writer__safe_header(__pyx_v_status_line); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 134, __pyx_L1_error)
+
+ /* "aiohttp/_http_writer.pyx":135
+ *
+ * _safe_header(status_line)
* try: # <<<<<<<<<<<<<<
* if _write_str(&writer, status_line) < 0:
* raise
*/
/*try:*/ {
- /* "aiohttp/_http_writer.pyx":135
- *
+ /* "aiohttp/_http_writer.pyx":136
+ * _safe_header(status_line)
* try:
* if _write_str(&writer, status_line) < 0: # <<<<<<<<<<<<<<
* raise
* if _write_byte(&writer, b'\r') < 0:
*/
- __pyx_t_4 = __pyx_f_7aiohttp_12_http_writer__write_str((&__pyx_v_writer), __pyx_v_status_line); if (unlikely(__pyx_t_4 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 135, __pyx_L6_error)
+ __pyx_t_4 = __pyx_f_7aiohttp_12_http_writer__write_str((&__pyx_v_writer), __pyx_v_status_line); if (unlikely(__pyx_t_4 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 136, __pyx_L6_error)
__pyx_t_8 = (__pyx_t_4 < 0);
if (unlikely(__pyx_t_8)) {
- /* "aiohttp/_http_writer.pyx":136
+ /* "aiohttp/_http_writer.pyx":137
* try:
* if _write_str(&writer, status_line) < 0:
* raise # <<<<<<<<<<<<<<
* if _write_byte(&writer, b'\r') < 0:
* raise
*/
- __Pyx_ReraiseException(); __PYX_ERR(0, 136, __pyx_L6_error)
+ __Pyx_ReraiseException(); __PYX_ERR(0, 137, __pyx_L6_error)
- /* "aiohttp/_http_writer.pyx":135
- *
+ /* "aiohttp/_http_writer.pyx":136
+ * _safe_header(status_line)
* try:
* if _write_str(&writer, status_line) < 0: # <<<<<<<<<<<<<<
* raise
@@ -3899,27 +3908,27 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
*/
}
- /* "aiohttp/_http_writer.pyx":137
+ /* "aiohttp/_http_writer.pyx":138
* if _write_str(&writer, status_line) < 0:
* raise
* if _write_byte(&writer, b'\r') < 0: # <<<<<<<<<<<<<<
* raise
* if _write_byte(&writer, b'\n') < 0:
*/
- __pyx_t_4 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), '\r'); if (unlikely(__pyx_t_4 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 137, __pyx_L6_error)
+ __pyx_t_4 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), '\r'); if (unlikely(__pyx_t_4 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 138, __pyx_L6_error)
__pyx_t_8 = (__pyx_t_4 < 0);
if (unlikely(__pyx_t_8)) {
- /* "aiohttp/_http_writer.pyx":138
+ /* "aiohttp/_http_writer.pyx":139
* raise
* if _write_byte(&writer, b'\r') < 0:
* raise # <<<<<<<<<<<<<<
* if _write_byte(&writer, b'\n') < 0:
* raise
*/
- __Pyx_ReraiseException(); __PYX_ERR(0, 138, __pyx_L6_error)
+ __Pyx_ReraiseException(); __PYX_ERR(0, 139, __pyx_L6_error)
- /* "aiohttp/_http_writer.pyx":137
+ /* "aiohttp/_http_writer.pyx":138
* if _write_str(&writer, status_line) < 0:
* raise
* if _write_byte(&writer, b'\r') < 0: # <<<<<<<<<<<<<<
@@ -3928,27 +3937,27 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
*/
}
- /* "aiohttp/_http_writer.pyx":139
+ /* "aiohttp/_http_writer.pyx":140
* if _write_byte(&writer, b'\r') < 0:
* raise
* if _write_byte(&writer, b'\n') < 0: # <<<<<<<<<<<<<<
* raise
*
*/
- __pyx_t_4 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), '\n'); if (unlikely(__pyx_t_4 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 139, __pyx_L6_error)
+ __pyx_t_4 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), '\n'); if (unlikely(__pyx_t_4 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 140, __pyx_L6_error)
__pyx_t_8 = (__pyx_t_4 < 0);
if (unlikely(__pyx_t_8)) {
- /* "aiohttp/_http_writer.pyx":140
+ /* "aiohttp/_http_writer.pyx":141
* raise
* if _write_byte(&writer, b'\n') < 0:
* raise # <<<<<<<<<<<<<<
*
* for key, val in headers.items():
*/
- __Pyx_ReraiseException(); __PYX_ERR(0, 140, __pyx_L6_error)
+ __Pyx_ReraiseException(); __PYX_ERR(0, 141, __pyx_L6_error)
- /* "aiohttp/_http_writer.pyx":139
+ /* "aiohttp/_http_writer.pyx":140
* if _write_byte(&writer, b'\r') < 0:
* raise
* if _write_byte(&writer, b'\n') < 0: # <<<<<<<<<<<<<<
@@ -3957,7 +3966,7 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
*/
}
- /* "aiohttp/_http_writer.pyx":142
+ /* "aiohttp/_http_writer.pyx":143
* raise
*
* for key, val in headers.items(): # <<<<<<<<<<<<<<
@@ -3967,9 +3976,9 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
__pyx_t_3 = 0;
if (unlikely(__pyx_v_headers == Py_None)) {
PyErr_Format(PyExc_AttributeError, "'NoneType' object has no attribute '%.30s'", "items");
- __PYX_ERR(0, 142, __pyx_L6_error)
+ __PYX_ERR(0, 143, __pyx_L6_error)
}
- __pyx_t_6 = __Pyx_dict_iterator(__pyx_v_headers, 0, __pyx_n_s_items, (&__pyx_t_2), (&__pyx_t_4)); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 142, __pyx_L6_error)
+ __pyx_t_6 = __Pyx_dict_iterator(__pyx_v_headers, 0, __pyx_n_s_items, (&__pyx_t_2), (&__pyx_t_4)); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 143, __pyx_L6_error)
__Pyx_GOTREF(__pyx_t_6);
__Pyx_XDECREF(__pyx_t_1);
__pyx_t_1 = __pyx_t_6;
@@ -3977,7 +3986,7 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
while (1) {
__pyx_t_7 = __Pyx_dict_iter_next(__pyx_t_1, __pyx_t_2, &__pyx_t_3, &__pyx_t_6, &__pyx_t_5, NULL, __pyx_t_4);
if (unlikely(__pyx_t_7 == 0)) break;
- if (unlikely(__pyx_t_7 == -1)) __PYX_ERR(0, 142, __pyx_L6_error)
+ if (unlikely(__pyx_t_7 == -1)) __PYX_ERR(0, 143, __pyx_L6_error)
__Pyx_GOTREF(__pyx_t_6);
__Pyx_GOTREF(__pyx_t_5);
__Pyx_XDECREF_SET(__pyx_v_key, __pyx_t_6);
@@ -3985,30 +3994,30 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
__Pyx_XDECREF_SET(__pyx_v_val, __pyx_t_5);
__pyx_t_5 = 0;
- /* "aiohttp/_http_writer.pyx":143
+ /* "aiohttp/_http_writer.pyx":144
*
* for key, val in headers.items():
* if _write_str(&writer, to_str(key)) < 0: # <<<<<<<<<<<<<<
* raise
* if _write_byte(&writer, b':') < 0:
*/
- __pyx_t_5 = __pyx_f_7aiohttp_12_http_writer_to_str(__pyx_v_key); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 143, __pyx_L6_error)
+ __pyx_t_5 = __pyx_f_7aiohttp_12_http_writer_to_str(__pyx_v_key); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 144, __pyx_L6_error)
__Pyx_GOTREF(__pyx_t_5);
- __pyx_t_7 = __pyx_f_7aiohttp_12_http_writer__write_str((&__pyx_v_writer), ((PyObject*)__pyx_t_5)); if (unlikely(__pyx_t_7 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 143, __pyx_L6_error)
+ __pyx_t_7 = __pyx_f_7aiohttp_12_http_writer__write_str((&__pyx_v_writer), ((PyObject*)__pyx_t_5)); if (unlikely(__pyx_t_7 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 144, __pyx_L6_error)
__Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
__pyx_t_8 = (__pyx_t_7 < 0);
if (unlikely(__pyx_t_8)) {
- /* "aiohttp/_http_writer.pyx":144
+ /* "aiohttp/_http_writer.pyx":145
* for key, val in headers.items():
* if _write_str(&writer, to_str(key)) < 0:
* raise # <<<<<<<<<<<<<<
* if _write_byte(&writer, b':') < 0:
* raise
*/
- __Pyx_ReraiseException(); __PYX_ERR(0, 144, __pyx_L6_error)
+ __Pyx_ReraiseException(); __PYX_ERR(0, 145, __pyx_L6_error)
- /* "aiohttp/_http_writer.pyx":143
+ /* "aiohttp/_http_writer.pyx":144
*
* for key, val in headers.items():
* if _write_str(&writer, to_str(key)) < 0: # <<<<<<<<<<<<<<
@@ -4017,27 +4026,27 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
*/
}
- /* "aiohttp/_http_writer.pyx":145
+ /* "aiohttp/_http_writer.pyx":146
* if _write_str(&writer, to_str(key)) < 0:
* raise
* if _write_byte(&writer, b':') < 0: # <<<<<<<<<<<<<<
* raise
* if _write_byte(&writer, b' ') < 0:
*/
- __pyx_t_7 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), ':'); if (unlikely(__pyx_t_7 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 145, __pyx_L6_error)
+ __pyx_t_7 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), ':'); if (unlikely(__pyx_t_7 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 146, __pyx_L6_error)
__pyx_t_8 = (__pyx_t_7 < 0);
if (unlikely(__pyx_t_8)) {
- /* "aiohttp/_http_writer.pyx":146
+ /* "aiohttp/_http_writer.pyx":147
* raise
* if _write_byte(&writer, b':') < 0:
* raise # <<<<<<<<<<<<<<
* if _write_byte(&writer, b' ') < 0:
* raise
*/
- __Pyx_ReraiseException(); __PYX_ERR(0, 146, __pyx_L6_error)
+ __Pyx_ReraiseException(); __PYX_ERR(0, 147, __pyx_L6_error)
- /* "aiohttp/_http_writer.pyx":145
+ /* "aiohttp/_http_writer.pyx":146
* if _write_str(&writer, to_str(key)) < 0:
* raise
* if _write_byte(&writer, b':') < 0: # <<<<<<<<<<<<<<
@@ -4046,27 +4055,27 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
*/
}
- /* "aiohttp/_http_writer.pyx":147
+ /* "aiohttp/_http_writer.pyx":148
* if _write_byte(&writer, b':') < 0:
* raise
* if _write_byte(&writer, b' ') < 0: # <<<<<<<<<<<<<<
* raise
* if _write_str(&writer, to_str(val)) < 0:
*/
- __pyx_t_7 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), ' '); if (unlikely(__pyx_t_7 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 147, __pyx_L6_error)
+ __pyx_t_7 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), ' '); if (unlikely(__pyx_t_7 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 148, __pyx_L6_error)
__pyx_t_8 = (__pyx_t_7 < 0);
if (unlikely(__pyx_t_8)) {
- /* "aiohttp/_http_writer.pyx":148
+ /* "aiohttp/_http_writer.pyx":149
* raise
* if _write_byte(&writer, b' ') < 0:
* raise # <<<<<<<<<<<<<<
* if _write_str(&writer, to_str(val)) < 0:
* raise
*/
- __Pyx_ReraiseException(); __PYX_ERR(0, 148, __pyx_L6_error)
+ __Pyx_ReraiseException(); __PYX_ERR(0, 149, __pyx_L6_error)
- /* "aiohttp/_http_writer.pyx":147
+ /* "aiohttp/_http_writer.pyx":148
* if _write_byte(&writer, b':') < 0:
* raise
* if _write_byte(&writer, b' ') < 0: # <<<<<<<<<<<<<<
@@ -4075,30 +4084,30 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
*/
}
- /* "aiohttp/_http_writer.pyx":149
+ /* "aiohttp/_http_writer.pyx":150
* if _write_byte(&writer, b' ') < 0:
* raise
* if _write_str(&writer, to_str(val)) < 0: # <<<<<<<<<<<<<<
* raise
* if _write_byte(&writer, b'\r') < 0:
*/
- __pyx_t_5 = __pyx_f_7aiohttp_12_http_writer_to_str(__pyx_v_val); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 149, __pyx_L6_error)
+ __pyx_t_5 = __pyx_f_7aiohttp_12_http_writer_to_str(__pyx_v_val); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 150, __pyx_L6_error)
__Pyx_GOTREF(__pyx_t_5);
- __pyx_t_7 = __pyx_f_7aiohttp_12_http_writer__write_str((&__pyx_v_writer), ((PyObject*)__pyx_t_5)); if (unlikely(__pyx_t_7 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 149, __pyx_L6_error)
+ __pyx_t_7 = __pyx_f_7aiohttp_12_http_writer__write_str((&__pyx_v_writer), ((PyObject*)__pyx_t_5)); if (unlikely(__pyx_t_7 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 150, __pyx_L6_error)
__Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
__pyx_t_8 = (__pyx_t_7 < 0);
if (unlikely(__pyx_t_8)) {
- /* "aiohttp/_http_writer.pyx":150
+ /* "aiohttp/_http_writer.pyx":151
* raise
* if _write_str(&writer, to_str(val)) < 0:
* raise # <<<<<<<<<<<<<<
* if _write_byte(&writer, b'\r') < 0:
* raise
*/
- __Pyx_ReraiseException(); __PYX_ERR(0, 150, __pyx_L6_error)
+ __Pyx_ReraiseException(); __PYX_ERR(0, 151, __pyx_L6_error)
- /* "aiohttp/_http_writer.pyx":149
+ /* "aiohttp/_http_writer.pyx":150
* if _write_byte(&writer, b' ') < 0:
* raise
* if _write_str(&writer, to_str(val)) < 0: # <<<<<<<<<<<<<<
@@ -4107,27 +4116,27 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
*/
}
- /* "aiohttp/_http_writer.pyx":151
+ /* "aiohttp/_http_writer.pyx":152
* if _write_str(&writer, to_str(val)) < 0:
* raise
* if _write_byte(&writer, b'\r') < 0: # <<<<<<<<<<<<<<
* raise
* if _write_byte(&writer, b'\n') < 0:
*/
- __pyx_t_7 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), '\r'); if (unlikely(__pyx_t_7 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 151, __pyx_L6_error)
+ __pyx_t_7 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), '\r'); if (unlikely(__pyx_t_7 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 152, __pyx_L6_error)
__pyx_t_8 = (__pyx_t_7 < 0);
if (unlikely(__pyx_t_8)) {
- /* "aiohttp/_http_writer.pyx":152
+ /* "aiohttp/_http_writer.pyx":153
* raise
* if _write_byte(&writer, b'\r') < 0:
* raise # <<<<<<<<<<<<<<
* if _write_byte(&writer, b'\n') < 0:
* raise
*/
- __Pyx_ReraiseException(); __PYX_ERR(0, 152, __pyx_L6_error)
+ __Pyx_ReraiseException(); __PYX_ERR(0, 153, __pyx_L6_error)
- /* "aiohttp/_http_writer.pyx":151
+ /* "aiohttp/_http_writer.pyx":152
* if _write_str(&writer, to_str(val)) < 0:
* raise
* if _write_byte(&writer, b'\r') < 0: # <<<<<<<<<<<<<<
@@ -4136,27 +4145,27 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
*/
}
- /* "aiohttp/_http_writer.pyx":153
+ /* "aiohttp/_http_writer.pyx":154
* if _write_byte(&writer, b'\r') < 0:
* raise
* if _write_byte(&writer, b'\n') < 0: # <<<<<<<<<<<<<<
* raise
*
*/
- __pyx_t_7 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), '\n'); if (unlikely(__pyx_t_7 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 153, __pyx_L6_error)
+ __pyx_t_7 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), '\n'); if (unlikely(__pyx_t_7 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 154, __pyx_L6_error)
__pyx_t_8 = (__pyx_t_7 < 0);
if (unlikely(__pyx_t_8)) {
- /* "aiohttp/_http_writer.pyx":154
+ /* "aiohttp/_http_writer.pyx":155
* raise
* if _write_byte(&writer, b'\n') < 0:
* raise # <<<<<<<<<<<<<<
*
* if _write_byte(&writer, b'\r') < 0:
*/
- __Pyx_ReraiseException(); __PYX_ERR(0, 154, __pyx_L6_error)
+ __Pyx_ReraiseException(); __PYX_ERR(0, 155, __pyx_L6_error)
- /* "aiohttp/_http_writer.pyx":153
+ /* "aiohttp/_http_writer.pyx":154
* if _write_byte(&writer, b'\r') < 0:
* raise
* if _write_byte(&writer, b'\n') < 0: # <<<<<<<<<<<<<<
@@ -4167,27 +4176,27 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
}
__Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
- /* "aiohttp/_http_writer.pyx":156
+ /* "aiohttp/_http_writer.pyx":157
* raise
*
* if _write_byte(&writer, b'\r') < 0: # <<<<<<<<<<<<<<
* raise
* if _write_byte(&writer, b'\n') < 0:
*/
- __pyx_t_4 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), '\r'); if (unlikely(__pyx_t_4 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 156, __pyx_L6_error)
+ __pyx_t_4 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), '\r'); if (unlikely(__pyx_t_4 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 157, __pyx_L6_error)
__pyx_t_8 = (__pyx_t_4 < 0);
if (unlikely(__pyx_t_8)) {
- /* "aiohttp/_http_writer.pyx":157
+ /* "aiohttp/_http_writer.pyx":158
*
* if _write_byte(&writer, b'\r') < 0:
* raise # <<<<<<<<<<<<<<
* if _write_byte(&writer, b'\n') < 0:
* raise
*/
- __Pyx_ReraiseException(); __PYX_ERR(0, 157, __pyx_L6_error)
+ __Pyx_ReraiseException(); __PYX_ERR(0, 158, __pyx_L6_error)
- /* "aiohttp/_http_writer.pyx":156
+ /* "aiohttp/_http_writer.pyx":157
* raise
*
* if _write_byte(&writer, b'\r') < 0: # <<<<<<<<<<<<<<
@@ -4196,27 +4205,27 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
*/
}
- /* "aiohttp/_http_writer.pyx":158
+ /* "aiohttp/_http_writer.pyx":159
* if _write_byte(&writer, b'\r') < 0:
* raise
* if _write_byte(&writer, b'\n') < 0: # <<<<<<<<<<<<<<
* raise
*
*/
- __pyx_t_4 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), '\n'); if (unlikely(__pyx_t_4 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 158, __pyx_L6_error)
+ __pyx_t_4 = __pyx_f_7aiohttp_12_http_writer__write_byte((&__pyx_v_writer), '\n'); if (unlikely(__pyx_t_4 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(0, 159, __pyx_L6_error)
__pyx_t_8 = (__pyx_t_4 < 0);
if (unlikely(__pyx_t_8)) {
- /* "aiohttp/_http_writer.pyx":159
+ /* "aiohttp/_http_writer.pyx":160
* raise
* if _write_byte(&writer, b'\n') < 0:
* raise # <<<<<<<<<<<<<<
*
* return PyBytes_FromStringAndSize(writer.buf, writer.pos)
*/
- __Pyx_ReraiseException(); __PYX_ERR(0, 159, __pyx_L6_error)
+ __Pyx_ReraiseException(); __PYX_ERR(0, 160, __pyx_L6_error)
- /* "aiohttp/_http_writer.pyx":158
+ /* "aiohttp/_http_writer.pyx":159
* if _write_byte(&writer, b'\r') < 0:
* raise
* if _write_byte(&writer, b'\n') < 0: # <<<<<<<<<<<<<<
@@ -4225,7 +4234,7 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
*/
}
- /* "aiohttp/_http_writer.pyx":161
+ /* "aiohttp/_http_writer.pyx":162
* raise
*
* return PyBytes_FromStringAndSize(writer.buf, writer.pos) # <<<<<<<<<<<<<<
@@ -4233,14 +4242,14 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
* _release_writer(&writer)
*/
__Pyx_XDECREF(__pyx_r);
- __pyx_t_1 = PyBytes_FromStringAndSize(__pyx_v_writer.buf, __pyx_v_writer.pos); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 161, __pyx_L6_error)
+ __pyx_t_1 = PyBytes_FromStringAndSize(__pyx_v_writer.buf, __pyx_v_writer.pos); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 162, __pyx_L6_error)
__Pyx_GOTREF(__pyx_t_1);
__pyx_r = __pyx_t_1;
__pyx_t_1 = 0;
goto __pyx_L5_return;
}
- /* "aiohttp/_http_writer.pyx":163
+ /* "aiohttp/_http_writer.pyx":164
* return PyBytes_FromStringAndSize(writer.buf, writer.pos)
* finally:
* _release_writer(&writer) # <<<<<<<<<<<<<<
@@ -4264,7 +4273,7 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
__Pyx_XGOTREF(__pyx_t_15);
__pyx_t_4 = __pyx_lineno; __pyx_t_7 = __pyx_clineno; __pyx_t_9 = __pyx_filename;
{
- __pyx_f_7aiohttp_12_http_writer__release_writer((&__pyx_v_writer)); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 163, __pyx_L22_error)
+ __pyx_f_7aiohttp_12_http_writer__release_writer((&__pyx_v_writer)); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 164, __pyx_L22_error)
}
if (PY_MAJOR_VERSION >= 3) {
__Pyx_XGIVEREF(__pyx_t_13);
@@ -4295,7 +4304,7 @@ static PyObject *__pyx_pf_7aiohttp_12_http_writer__serialize_headers(CYTHON_UNUS
__pyx_L5_return: {
__pyx_t_15 = __pyx_r;
__pyx_r = 0;
- __pyx_f_7aiohttp_12_http_writer__release_writer((&__pyx_v_writer)); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 163, __pyx_L1_error)
+ __pyx_f_7aiohttp_12_http_writer__release_writer((&__pyx_v_writer)); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 164, __pyx_L1_error)
__pyx_r = __pyx_t_15;
__pyx_t_15 = 0;
goto __pyx_L0;
diff --git a/aiohttp/http_writer.py b/aiohttp/http_writer.py
index d6b02e6f5..37cdc06e6 100644
--- a/aiohttp/http_writer.py
+++ b/aiohttp/http_writer.py
@@ -181,6 +181,7 @@ def _safe_header(string: str) -> str:
def _py_serialize_headers(status_line: str, headers: "CIMultiDict[str]") -> bytes:
+ _safe_header(status_line)
headers_gen = (_safe_header(k) + ": " + _safe_header(v) for k, v in headers.items())
line = status_line + "\r\n" + "\r\n".join(headers_gen) + "\r\n\r\n"
return line.encode("utf-8")
diff --git a/aiohttp/web_exceptions.py b/aiohttp/web_exceptions.py
index ee2c1e72d..30792c281 100644
--- a/aiohttp/web_exceptions.py
+++ b/aiohttp/web_exceptions.py
@@ -101,6 +101,8 @@ class HTTPException(Response, Exception):
"body argument is deprecated for http web exceptions",
DeprecationWarning,
)
+ if reason is not None and ("\r" in reason or "\n" in reason):
+ raise ValueError("Reason cannot contain \\r or \\n")
Response.__init__(
self,
status=self.status_code,
diff --git a/aiohttp/web_response.py b/aiohttp/web_response.py
index 40d6f01ec..3bd9d45b5 100644
--- a/aiohttp/web_response.py
+++ b/aiohttp/web_response.py
@@ -140,6 +140,8 @@ class StreamResponse(BaseClass, HeadersMixin):
reason = HTTPStatus(self._status).phrase
except ValueError:
reason = ""
+ elif "\r" in reason or "\n" in reason:
+ raise ValueError("Reason cannot contain \\r or \\n")
self._reason = reason
@property
diff --git a/tests/test_web_exceptions.py b/tests/test_web_exceptions.py
index 69deb27a0..5a98d0f94 100644
--- a/tests/test_web_exceptions.py
+++ b/tests/test_web_exceptions.py
@@ -270,3 +270,18 @@ def test_unicode_text_body_unauthorized() -> None:
):
resp = web.HTTPUnauthorized(body="text")
assert resp.status == 401
+
+
+def test_multiline_reason() -> None:
+ with pytest.raises(ValueError, match=r"Reason cannot contain"):
+ web.HTTPOk(reason="Bad\r\nInjected-header: foo")
+
+
+def test_reason_with_cr() -> None:
+ with pytest.raises(ValueError, match=r"Reason cannot contain"):
+ web.HTTPOk(reason="OK\rSet-Cookie: evil=1")
+
+
+def test_reason_with_lf() -> None:
+ with pytest.raises(ValueError, match=r"Reason cannot contain"):
+ web.HTTPOk(reason="OK\nSet-Cookie: evil=1")
diff --git a/tests/test_web_response.py b/tests/test_web_response.py
index d1b407c09..84018bbfb 100644
--- a/tests/test_web_response.py
+++ b/tests/test_web_response.py
@@ -916,6 +916,27 @@ def test_set_status_with_reason() -> None:
assert "Everything is fine!" == resp.reason
+def test_set_status_reason_with_cr() -> None:
+ resp = StreamResponse()
+
+ with pytest.raises(ValueError, match="Reason cannot contain"):
+ resp.set_status(200, "OK\rSet-Cookie: evil=1")
+
+
+def test_set_status_reason_with_lf() -> None:
+ resp = StreamResponse()
+
+ with pytest.raises(ValueError, match="Reason cannot contain"):
+ resp.set_status(200, "OK\nSet-Cookie: evil=1")
+
+
+def test_set_status_reason_with_crlf() -> None:
+ resp = StreamResponse()
+
+ with pytest.raises(ValueError, match="Reason cannot contain"):
+ resp.set_status(200, "OK\r\nSet-Cookie: evil=1")
+
+
async def test_start_force_close() -> None:
req = make_request("GET", "/")
resp = StreamResponse()
@@ -1168,6 +1189,16 @@ async def test_render_with_body(buf, writer) -> None:
)
+async def test_multiline_reason(buf, writer) -> None:
+ with pytest.raises(ValueError, match=r"Reason cannot contain \\r or \\n"):
+ Response(reason="Bad\r\nInjected-header: foo")
+
+
+def test_serialize_headers_rejects_crlf_status_line() -> None:
+ with pytest.raises(ValueError, match="Newline or carriage return"):
+ _serialize_headers("HTTP/1.1 200 OK\r\nInjected: yes", CIMultiDict())
+
+
async def test_send_set_cookie_header(buf, writer) -> None:
resp = Response()
resp.cookies["name"] = "value"
--
2.35.6
meta-python/recipes-devtools/python/python3-aiohttp_3.9.5.bb
+1
View File
@@ -21,6 +21,7 @@ SRC_URI += "file://CVE-2024-52304.patch \
file://CVE-2026-34513.patch \
file://CVE-2026-34993.patch \
file://CVE-2026-34518.patch \
file://CVE-2026-34519.patch \
"
CVE_STATUS[CVE-2026-34515] = "not-applicable-platform: Vulnerability only affects applications running on Windows"