{"action":"Upgrade webkit2gtk to 2.22.0-2 or later.","affected":[{"fixed":"2.22.0-2","introduced":"0"}],"component":"webkit2gtk","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.22.0-2"],"id":"tcs_01M5NCA5CK2KP8V7ZX19DWBWEE","modified_at":"2026-09-01T20:03:45.926750611Z","published_at":"2017-12-21T03:29:00.630Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-17821","https://security-tracker.debian.org/tracker/CVE-2017-17821"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-17821","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-17821"}],"summary":"WTF/wtf/FastBitVector.h in WebKit, as distributed in Safari Technology Preview Release 46, allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other imp"}