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jq: fix CVE-2026-39956

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Backport patch to fix CVE-2026-39956.

References:
  https://nvd.nist.gov/vuln/detail/CVE-2026-39956
  https://www.cve.org/CVERecord?id=CVE-2026-39956
  https://security-tracker.debian.org/tracker/CVE-2026-39956
  https://osv.dev/list?q=CVE-2026-39956

Upstream fix:
  https://github.com/jqlang/jq/commit/fdf8ef0f0810e3d365cdd5160de43db46f57ed03 [nvd]

Tested with ptest:
Before: PASSED: 7, FAILED: 0, SKIPPED: 0
After: PASSED: 7, FAILED: 0, SKIPPED: 0

Signed-off-by: Tugrul Kukul <tugrul.kukul@est.tech>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>
This commit is contained in:
Tugrul Kukul
2026-08-24 12:58:43 +05:30
committed by Anuj Mittal
parent 6afddbfda3
commit 5fe702bec3
2 changed files with 56 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta-oe/recipes-devtools/jq/jq/CVE-2026-39956.patch
+55
View File
@@ -0,0 +1,55 @@
From 8e7a4a3c01da36e0b9509b0e93a005649318e0f7 Mon Sep 17 00:00:00 2001
From: tlsbollei <170938166+tlsbollei@users.noreply.github.com>
Date: Wed, 8 Apr 2026 21:43:46 +0200
Subject: [PATCH] Add runtime type checks to f_string_indexes
This fixes CVE-2026-39956.
CVE: CVE-2026-39956
Upstream-Status: Backport [https://github.com/jqlang/jq/commit/fdf8ef0f0810e3d365cdd5160de43db46f57ed03]
Signed-off-by: Tugrul Kukul <tugrul.kukul@est.tech>
---
src/builtin.c | 8 ++++++++
tests/jq.test | 9 +++++++++
2 files changed, 17 insertions(+)
diff --git a/src/builtin.c b/src/builtin.c
index 52fe77c..ac56f9f 100644
--- a/src/builtin.c
+++ b/src/builtin.c
@@ -1286,6 +1286,14 @@ static jv f_string_explode(jq_state *jq, jv a) {
}
static jv f_string_indexes(jq_state *jq, jv a, jv b) {
+ if (jv_get_kind(a) != JV_KIND_STRING) {
+ jv_free(b);
+ return type_error(a, "cannot be searched, as it is not a string");
+ }
+ if (jv_get_kind(b) != JV_KIND_STRING) {
+ jv_free(a);
+ return type_error(b, "is not a string");
+ }
return jv_string_indexes(a, b);
}
diff --git a/tests/jq.test b/tests/jq.test
index 4ecf72f..07aa0cf 100644
--- a/tests/jq.test
+++ b/tests/jq.test
@@ -1520,6 +1520,15 @@ split("")
"xababababax"
[1,7,[1,3,5,7]]
+# _strindices is used by indices/1 but is callable
+try _strindices("abc") catch .
+123
+"number (123) cannot be searched, as it is not a string"
+
+try _strindices(123) catch .
+"abc"
+"number (123) is not a string"
+
# trim
# \u000b is vertical tab (\v not supported by json)
map(trim), map(ltrim), map(rtrim)
meta-oe/recipes-devtools/jq/jq_1.8.1.bb
+1
View File
@@ -27,6 +27,7 @@ SRC_URI = "git://github.com/jqlang/jq.git;protocol=https;branch=master;tag=jq-${
file://CVE-2026-43895.patch \
file://CVE-2026-49839.patch \
file://CVE-2026-54679.patch \
file://CVE-2026-39956.patch \
"
inherit autotools ptest