Threats tagged 'ghsa-22p9-pjfx-9wj2'

Semantic MediaWiki versions from 3.0.0 up to but not including 7.3.1 contain an algorithmic complexity vulnerability in the TermParser::normalize_compact_form() function. This flaw allows unauthenticated attackers to cause quadratic CPU consumption by submitting long search terms with many distinct in:(...) or has:(...) expressions to Special:Search when the extended search engine is enabled. This can exhaust PHP search workers, leading to denial of service conditions.