diff --git a/meta-webserver/recipes-httpd/nginx/nginx-1.24.0/CVE-2026-27651.patch b/meta-webserver/recipes-httpd/nginx/nginx-1.24.0/CVE-2026-27651.patch new file mode 100644 index 0000000000..b639b1a158 --- /dev/null +++ b/meta-webserver/recipes-httpd/nginx/nginx-1.24.0/CVE-2026-27651.patch @@ -0,0 +1,34 @@ +From 4f32484e99671d107d0d6c27c0c674f528d8c9ca Mon Sep 17 00:00:00 2001 +From: Sergey Kandaurov +Date: Wed, 18 Mar 2026 16:39:37 +0400 +Subject: [PATCH] Mail: fixed clearing s->passwd in auth http requests. + +Previously, it was not properly cleared retaining length as part of +authenticating with CRAM-MD5 and APOP methods that expect to receive +password in auth response. This resulted in null pointer dereference +and worker process crash in subsequent auth attempts with CRAM-MD5. + +Reported by Arkadi Vainbrand. + +(cherry picked from commit 0f71dd8ea94ab8c123413b2e465be12a35392e9c) + +CVE: CVE-2026-27651 +Upstream-Status: Backport [https://github.com/nginx/nginx/commit/0f71dd8ea94ab8c123413b2e465be12a35392e9c] +Signed-off-by: Ankur Tyagi +--- + src/mail/ngx_mail_auth_http_module.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/src/mail/ngx_mail_auth_http_module.c b/src/mail/ngx_mail_auth_http_module.c +index 27f64b92e..d931183ae 100644 +--- a/src/mail/ngx_mail_auth_http_module.c ++++ b/src/mail/ngx_mail_auth_http_module.c +@@ -1325,7 +1325,7 @@ ngx_mail_auth_http_create_request(ngx_mail_session_t *s, ngx_pool_t *pool, + b->last = ngx_cpymem(b->last, "Auth-Salt: ", sizeof("Auth-Salt: ") - 1); + b->last = ngx_copy(b->last, s->salt.data, s->salt.len); + +- s->passwd.data = NULL; ++ ngx_str_null(&s->passwd); + } + + b->last = ngx_cpymem(b->last, "Auth-Protocol: ", diff --git a/meta-webserver/recipes-httpd/nginx/nginx_1.24.0.bb b/meta-webserver/recipes-httpd/nginx/nginx_1.24.0.bb index 17dab85788..b57ee49813 100644 --- a/meta-webserver/recipes-httpd/nginx/nginx_1.24.0.bb +++ b/meta-webserver/recipes-httpd/nginx/nginx_1.24.0.bb @@ -5,6 +5,7 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=175abb631c799f54573dc481454c8632" SRC_URI:append = " \ file://CVE-2023-44487.patch \ file://CVE-2026-28755.patch \ + file://CVE-2026-27651.patch \ " SRC_URI[sha256sum] = "77a2541637b92a621e3ee76776c8b7b40cf6d707e69ba53a940283e30ff2f55d"