CVE-2026-116872
CVE-2026-116872 · Semantic MediaWiki 3.0.0 before 7.3.1 Denial of Service via Special:Search Compact Filters
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
Semantic MediaWiki from 3.0.0 before 7.3.1 contains an algorithmic complexity vulnerability in TermParser::normalize_compact_form() that allows unauthenticated attackers to cause quadratic CPU consumption. Attackers can submit long search terms with many distinct in:(...) or has:(...) expressions to Special:Search to exhaust PHP search workers when the extended search engine is enabled.
CVSS 8.7 · Élevée · Correctif disponible
- Publication
- Mise à jour
Produits et versions concernés
semanticmediawiki
- Versions du logiciel
- ≥ 3.0.0, < 7.3.1: Concernée (semver)
- 7.3.1: Non concernée (semver)
Mettez à jour vers 7.3.1
Sources originales
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-j2r2-7qpg-p675
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/c2bf1699dec4016e21ce52613152bda799ce87d4
- https://www.vulncheck.com/advisories/semantic-mediawiki-3.0.0-before-7.3.1-denial-of-service-via-special-search-compact-filters
- https://nvd.nist.gov/vuln/detail/CVE-2026-116872