{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-117500","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","state":"PUBLISHED","assignerShortName":"CPANSec","dateReserved":"2026-10-27T08:44:49.796Z","datePublished":"2026-10-28T17:17:11.051Z","dateUpdated":"2026-10-28T17:17:11.051Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","modules":["HTTP::Body"],"packageName":"HTTP-Body","packageURL":"pkg:cpan/HTTP-Body","programFiles":["lib/HTTP/Body/MultiPart.pm"],"programRoutines":[{"name":"HTTP::Body::MultiPart::handler"}],"repo":"https://github.com/libwww-perl/HTTP-Body","versions":[{"lessThan":"1.24_01","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"HTTP::Body versions before 1.24_01 for Perl allow CPU exhaustion via regex backtracking on the filename of a multipart upload.\n\nFor every file part, the multipart parser finds the suffix of the uploaded filename by matching the default $basename_regexp, qr/[^.]+(\\.[^\\\\\\/]+)$/, against the whole basename. A basename made of many dots and ending in a backslash makes the regex backtrack in time quadratic in its length.\n\nA remote attacker can exhaust CPU with one request, as a basename of about 32 KB takes several seconds to match and every file part is matched separately."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1333","description":"CWE-1333 Inefficient Regular Expression Complexity","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec","dateUpdated":"2026-10-28T17:17:11.051Z"},"references":[{"tags":["patch"],"url":"https://github.com/libwww-perl/HTTP-Body/commit/9ab46daaede02fb13ea55a7e3ede34c8b918d8ca.patch"},{"tags":["patch"],"url":"https://github.com/libwww-perl/HTTP-Body/commit/3abc958d78bd84bf4abb87bad79b9432eab7e694.patch"},{"tags":["release-notes"],"url":"https://metacpan.org/release/GETTY/HTTP-Body-1.24_01/changes"}],"solutions":[{"lang":"en","value":"Upgrade to HTTP-Body 1.24_01 or later."}],"source":{"discovery":"UNKNOWN"},"title":"HTTP::Body versions before 1.24_01 for Perl allow CPU exhaustion via regex backtracking on the filename of a multipart upload","x_generator":{"engine":"cpansec-cna-tool 0.1"}}}}