{"id":"OSV-2026-959","aliases":[],"status":"published","title":"Heap-use-after-free in Wt::Http::Request::parseFormUrlEncoded","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=526224351\n\n```\nCrash type: Heap-use-after-free READ 8\nCrash state:\nWt::Http::Request::parseFormUrlEncoded\nWt::CgiParser::parse\nfuzz-cgi.C\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-06-23T00:15:52.533371Z","modified":"2026-06-23T00:15:52Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"wt","ranges":[{"type":"GIT","events":[{"introduced":"2379295442b60a75f20abc6955b11f07d431881c"},{"fixed":"066d53243eff54a95a2951ee26613c91d74ac613"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=526224351","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2026-959","title":"Heap-use-after-free in Wt::Http::Request::parseFormUrlEncoded","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=526224351\n\n```\nCrash type: Heap-use-after-free READ 8\nCrash state:\nWt::Http::Request::parseFormUrlEncoded\nWt::CgiParser::parse\nfuzz-cgi.C\n```\n","status":"published","published":"2026-06-23T00:15:52.533371Z","modified":"2026-06-23T00:15:52.533654Z","updated_at":"2026-11-02T15:52:50.263679Z"}]}}