{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":[],"id":"tcs_01M5ZTS4D4KJAG3C38JWHG2WH7","modified_at":"2026-10-29T12:00:23.217111498Z","published_at":"2026-10-27T14:16:49.547Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-117939","https://security-tracker.debian.org/tracker/CVE-2026-117939"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-117939#Debian:14/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-117939"}],"summary":"Use-after-free in the XML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6."}