CVE-2026-116872
CVE-2026-116872 · Semantic MediaWiki 3.0.0 before 7.3.1 Denial of Service via Special:Search Compact Filters
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
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 · Alta · Corrección disponible
- Publicación
- Actualización
Productos y versiones afectados
semanticmediawiki
- Versiones
- ≥ 3.0.0, < 7.3.1: Afectada (semver)
- 7.3.1: No afectada (semver)
Actualiza a 7.3.1
Fuentes 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