www/nginx -- Remote Code Execution/DoS

nginx development team reports: When using the "proxysetbody" directive, an attacker might inject data in the proxied request to an HTTP/2 backend A heap memory buffer overflow might occur in a worker process while handling a specially crafted request by ngxhttprewritemodule, potentially resultin...

PT-2026-42388

Name of the Vulnerable Software and Affected Versions nginx versions prior to 1.24.0-2ubuntu7.8 Description The ngx http rewrite module component incorrectly handles certain rewrite directives. A remote attacker could exploit this to cause a crash, leading to a denial of service, or potentially...

CVE-2026-44372

Nitro is a next generation server toolkit. Prior to 3.0.260429-beta, an attacker could turn a redirect route rule using wildcards rewrite into a cross-host redirect by sliding an extra slash in after the rule prefix. This vulnerability is fixed in 3.0.260429-beta...

CVE-2026-44372

Nitro is a next generation server toolkit. Prior to 3.0.260429-beta, an attacker could turn a redirect route rule using wildcards rewrite into a cross-host redirect by sliding an extra slash in after the rule prefix. This vulnerability is fixed in 3.0.260429-beta...

CVE-2026-44372

Nitro is a next generation server toolkit. Prior to 3.0.260429-beta, an attacker could turn a redirect route rule using wildcards rewrite into a cross-host redirect by sliding an extra slash in after the rule prefix. This vulnerability is fixed in 3.0.260429-beta...

EUVD-2026-30010

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression PCRE capture for example, $1, $2 with a replacement strin...

CVE-2026-42945

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression PCRE capture for example, $1, $2 with a replacement strin...

ALPINE-CVE-2026-42945

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression PCRE capture for example, $1, $2 with a replacement strin...

AZL-86856 CVE-2026-42945 affecting package nginx for versions less than 1.28.3-4

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression PCRE capture for example, $1, $2 with a replacement strin...

CVE-2026-42945

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression PCRE capture for example, $1, $2 with a replacement strin...

CVE-2026-42945 NGINX ngx_http_rewrite_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression PCRE capture for example, $1, $2 with a replacement strin...

CVE-2026-42945

CVE-2026-42945 affects NGINX Open Source and NGINX Plus via the ngx_http_rewrite_module when a rewrite/if/set directive is followed by a PCRE capture and a replacement containing a question mark. This can cause a heap buffer overflow in the worker process and, on systems with ASLR disabled, poten...

CVE-2026-42945 NGINX ngx_http_rewrite_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression PCRE capture for example, $1, $2 with a replacement strin...

CVE-2026-42945

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression PCRE capture for example, $1, $2 with a replacement strin...

CVE-2026-42945

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression PCRE capture for example, $1, $2 with a replacement strin...

CVE-2026-42945

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression PCRE capture for example, $1, $2 with a replacement strin...

CVE-2026-42945

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression PCRE capture for example, $1, $2 with a replacement strin...

K000161019: NGINX ngx_http_rewrite_module vulnerability CVE-2026-42945

Security Advisory Description NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when the "rewrite" directive with a query string is followed in the same location by the "if" or "set" directive with an unnamed Perl-Compatible Regula...

MGASA-2026-0129 Updated apache packages fix security vulnerabilities

http2: double free and possible RCE on early reset. CVE-2026-23918 modrewrite elevation of privileges via apexpr. CVE-2026-24072 buffer overflow in modproxyajp via ajpmsgcheckheader. CVE-2026-28780 modmd unrestricted OCSP response. CVE-2026-29168 moddavlock indirect lock crash. CVE-2026-29169...

nginx-devel -- multiple vulnerabilities

The nginx project reports: nginx 1.31.0 fixes multiple security issues affecting HTTP/2 proxying, rewrite handling, SCGI/uWSGI response handling, charset conversion, HTTP/3 connection migration, and OCSP resolver response processing...