OESA-2026-2407 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when the rewrite directive is followed by a...

CVE-2026-9256: Heap-based Buffer Overflow

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when a rewrite directive uses a regex pattern with distinct, overlapping Perl-Compatible Regular Expression PCRE captures for example, ^/.$ and a replacement string that references...

TencentOS Server 3: nginx:1.24 (TSSA-2026:0338)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0338 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

CLSA-2026-1779282813 Fix CVE(s): CVE-2026-42945

SECURITY UPDATE: heap buffer overflow in ngxhttprewritemodule when an unnamed PCRE capture group with '?' in the replacement is followed by another rewrite, if, or set directive - debian/patches/CVE-2026-42945.patch: clear isargs flag at the start of ngxhttpscriptregexendcode in...

PT-2026-42148

Name of the Vulnerable Software and Affected Versions vm2 versions prior to 3.11.4 Description The BaseHandler.set trap in bridge.js ignores the receiver parameter and unconditionally writes to the host target object. According to the Proxy set trap specification, when the receiver is not the pro...

CLSA-2026-1779126860 nginx: Fix of CVE-2026-42945

CVE-2026-42945: fix heap buffer overrun in ngxhttprewritemodule when rewrite is followed by set/if/rewrite with unnamed PCRE captures...

SUSE 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

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...

CLSA-2026-1777454193 pcre2: Fix of 2 CVEs

CVE-2022-1586: fix out-of-bounds read in JIT compilexclassmatchingpath - CVE-2022-41409: diagnose negative repeat value in pcre2test...

CLSA-2026-1777454082 pcre2: Fix of 2 CVEs

CVE-2022-1586: fix out-of-bounds read in JIT compilexclassmatchingpath - CVE-2022-41409: diagnose negative repeat value in pcre2test...

CVE-2026-40489

editorconfig-core-c is an EditorConfig core library for use by plugins supporting EditorConfig parsing. Versions up to and including 0.12.10 have a stack-based buffer overflow in ecglob that allows an attacker to crash any application using libeditorconfig by providing a specially crafted directo...

OSV-2026-145 Heap-buffer-overflow in pcre2_compile_32

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=478301105 Crash type: Heap-buffer-overflow WRITE 4 Crash state: pcre2compile32 pcre2fuzzsupport.c...

MiracleLinux 9 : pcre2-10.37-5.el9 (AXSA:2022-3985:02)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2022-3985:02 advisory. pcre2: Out-of-bounds read in compilexclassmatchingpath in pcre2jitcompile.c CVE-2022-1586 pcre2: Out-of-bounds read in getrecursedatalength in...

MiracleLinux 8 : pcre-8.42-6.el8 (AXSA:2021-2716:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-2716:01 advisory. pcre: Buffer over-read in JIT when UTF is disabled and \X or \R has fixed quantifier greater than 1 CVE-2019-20838 pcre: Integer overflow when parsi...

MiracleLinux 8 : pcre2-10.32-3.el8 (AXSA:2022-3702:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2022-3702:01 advisory. pcre2: Out-of-bounds read in compilexclassmatchingpath in pcre2jitcompile.c CVE-2022-1586 Tenable has extracted the preceding description block directly from...

MiracleLinux 8 : php:7.3 (AXSA:2020-779:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2020-779:01 advisory. php: Out-of-bounds read due to integer overflow in iconvmimedecodeheaders CVE-2019-11039 php: Buffer over-read in exifreaddata CVE-2019-11040 php:...

MiracleLinux 7 : grep-2.20-2.el7 (AXSA:2015-669:01)

The remote MiracleLinux 7 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2015-669:01 advisory. The GNU versions of commonly used grep utilities. Grep searches through textual input for lines which contain a match to a specified pattern and then prints t...