Critical GitLab Flaw (CVSS 10.0) Could Allow Unauthenticated RCE Across 12 Years of Releases

GitLab released fixes on October 21 for a flaw that lets an attacker run code on a self-managed server without logging in, and it affects every version of the software going back to 7.0, released in 2014. The fix matters even for administrators who patched nine days earlier: the October 12 update...

github.com/getkin/kin-openapi: kin-openapi: Denial of Service via redundant regular expression compilation in query parameter decoding

A flaw was found in kin-openapi. An unauthenticated remote attacker can trigger a Denial of Service DoS by sending requests containing a large number of query parameters to an affected endpoint. Due to redundant regular expression compilation within the parameter decoding loop, processing these...

github.com/getkin/kin-openapi: kin-openapi: Denial of Service via redundant regular expression compilation in query parameter decoding

A flaw was found in kin-openapi. An unauthenticated remote attacker can trigger a Denial of Service DoS by sending requests containing a large number of query parameters to an affected endpoint. Due to redundant regular expression compilation within the parameter decoding loop, processing these...

PYSEC-2026-3933 vLLM: ReDoS via structured_outputs.regex in the lm-format-enforcer backend (no compile timeout) — missed sibling of GHSA-rwxx-mrjm-wc2m

Summary The fix for GHSA-rwxx-mrjm-wc2m "ReDoS via structuredoutputs.regex compiled without timeout" wrapped the regex compile in the xgrammar and outlines backends with compileregexwithtimeout and, for outlines, validateregexisbuildable. The lm-format-enforcer backend was left unguarded: it...

GHSA-48JH-3GJ7-FG8V vLLM: ReDoS via structured_outputs.regex in the lm-format-enforcer backend (no compile timeout) — missed sibling of GHSA-rwxx-mrjm-wc2m

Summary The fix for GHSA-rwxx-mrjm-wc2m "ReDoS via structuredoutputs.regex compiled without timeout" wrapped the regex compile in the xgrammar and outlines backends with compileregexwithtimeout and, for outlines, validateregexisbuildable. The lm-format-enforcer backend was left unguarded: it...

vLLM: ReDoS via structured_outputs.regex in the lm-format-enforcer backend (no compile timeout) — missed sibling of GHSA-rwxx-mrjm-wc2m

Summary The fix for GHSA-rwxx-mrjm-wc2m "ReDoS via structuredoutputs.regex compiled without timeout" wrapped the regex compile in the xgrammar and outlines backends with compileregexwithtimeout and, for outlines, validateregexisbuildable. The lm-format-enforcer backend was left unguarded: it...

EulerOS Virtualization 2.13.0 : perl (EulerOS-SA-2026-3227)

According to the versions of the perl packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Perl versions through 5.43.10 have a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit...

EulerOS Virtualization 2.13.1 : perl (EulerOS-SA-2026-3187)

According to the versions of the perl packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Perl versions through 5.43.10 have a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit...

DEBIAN-CVE-2026-77781

Tie::Hash::Regex versions before 2.0.0 for Perl will throw an exception on unparseable lookup keys. The FETCH, EXISTS and DELETE methods throw an exception when on malformed regular expressions. Each method falls back to a regex match when the key is not already stored in the hash, compiling the...

Linux Distros Unpatched Vulnerability : CVE-2026-77781

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Tie::Hash::Regex versions before 2.0.0 for Perl will throw an exception on unparseable lookup keys. The FETCH, EXISTS and DELETE methods throw an exception when...

CVE-2026-77781

Tie::Hash::Regex versions before 2.0.0 for Perl will throw an exception on unparseable lookup keys. The FETCH, EXISTS and DELETE methods throw an exception when on malformed regular expressions. Each method falls back to a regex match when the key is not already stored in the hash, compiling the...

CVE-2026-77781

The Tie::Hash::Regex component in Perl is vulnerable to an exception-throwing flaw in versions prior to 2.0.0 . The FETCH , EXISTS , and DELETE methods throw an exception when encountering malformed regular expressions because they fall back to a regex match when a key is not already stored, comp...

CVE-2026-77781 Tie::Hash::Regex versions before 2.0.0 for Perl will throw an exception on unparseable lookup keys

Tie::Hash::Regex versions before 2.0.0 for Perl will throw an exception on unparseable lookup keys. The FETCH, EXISTS and DELETE methods throw an exception when on malformed regular expressions. Each method falls back to a regex match when the key is not already stored in the hash, compiling the...

PT-2026-79501

Name of the Vulnerable Software and Affected Versions Tie::Hash::Regex versions prior to 2.0.0 Description Certain methods in the Perl module throw an exception when processing malformed regular expressions. Specifically, the FETCH, EXISTS, and DELETE methods attempt a regex match when a key is n...

CVE-2026-77082

n8n before 1.123.69 , 2.x before 2.33.4 , and 2.34.x before 2.34.1 is affected by a ReDoS vulnerability in the Filter and Switch nodes . The root cause is that user-supplied regex patterns are compiled with new RegExp() and executed synchronously on the worker thread without complexity validation...

ANT-2026-RVPC18B1 · libgit2 · Heap Buffer Overflow

heap-buffer-overflow medium GHSA-wfx7-g85r-q6vw Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-RVPC18B1: Heap buffer...

UBUNTU-CVE-2026-19487

Perl versions from 5.9.4 before 5.41.9 produce incorrect regular expression match results when a stale failure flag ends the Aho-Corasick prescan early in Sfindbyclass. The prescan walks the subject for positions where the full pattern could match, and the engine tries it from the leftmost one...

Security Bulletin:Vulnerability in Perl affects IBM Netezza Appliance

Summary The Perl package is used by IBM Netezza Appliance. IBM Netezza Appliance has addressed the applicable CVECVE-2026-8376 Vulnerability Details CVEID:CVE-2026-8376 DESCRIPTION: Perl versions through 5.43.10 have a heap buffer overflow when compiling regular expressions with a repeated fixed...

SUSE SLES12 Security Update : perl (SUSE-SU-2026:3540-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3540-1 advisory. - CVE-2026-8376: heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds bsc1266304. -...

EulerOS 2.0 SP11 : perl (EulerOS-SA-2026-3086)

According to the versions of the perl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Perl versions through 5.43.10 have a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds...