CVE-2026-113877

{"id": "CVE-2026-113877", "cveTags": [], "metrics": {}, "affected": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "affectedData": [{"repo": "https://github.com/robrwo/perl-HTTP-Headers-ActionPack/", "modules": ["HTTP::Headers::ActionPack"], "versions": [{"status": "affected", "version": "0", "lessThan": "0.10", "versionType": "custom"}], "packageURL": "pkg:cpan/HTTP-Headers-ActionPack", "packageName": "HTTP-Headers-ActionPack", "programFiles": ["lib/HTTP/Headers/ActionPack/ContentNegotiation.pm"], "collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "programRoutines": [{"name": "HTTP::Headers::ActionPack::ContentNegotiation::_language_match"}, {"name": "HTTP::Headers::ActionPack::ContentNegotiation::choose_language"}]}]}], "published": "2026-10-23T21:17:21.597", "references": [{"url": "https://github.com/robrwo/perl-HTTP-Headers-ActionPack/commit/77f0deb23f3de872c2e64befd72750e0f0f4bec9.patch", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}, {"url": "https://metacpan.org/release/RRWO/HTTP-Headers-ActionPack-0.10/changes", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}, {"url": "http://www.openwall.com/lists/oss-security/2026/10/23/27", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "description": [{"lang": "en", "value": "CWE-624"}]}], "descriptions": [{"lang": "en", "value": "HTTP::Headers::ActionPack versions before 0.10 for Perl allow CPU exhaustion via Accept-Language ranges matched as regular expressions.\n\n_language_match interpolates each Accept-Language range into the pattern `/^$range\\-/i` without escaping it, so regular expression syntax in the header reaches the regex engine. A 12-byte range such as `(a?|b?){26}z` backtracks for seconds, and each increment of the quantifier doubles the time. An invalid range such as `(` fails to compile.\n\nA remote attacker can exhaust CPU, or make choose_language die, in any application that passes an untrusted Accept-Language header to it."}], "lastModified": "2026-10-26T18:39:42.503", "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}