GHSA-22p9-pjfx-9wj2HighCVSS 7.5
Semantic MediaWiki from 3.0.0 before 7.3.1 contains an algorithmic complexity vulnerability in...
🔗 CVE IDs covered (1)
📋 Description
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.
🔗 References (5)
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-j2r2-7qpg-p675
- https://nvd.nist.gov/vuln/detail/CVE-2026-116872
- 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://github.com/advisories/GHSA-22p9-pjfx-9wj2