{"action":"Upgrade firefox-esr to 153.6.0esr-1~deb13u1 or later.","affected":[{"fixed":"153.6.0esr-1~deb13u1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["153.6.0esr-1~deb13u1"],"id":"tcs_01M5ZT5XZBWWM3D48QT9SJS6W2","modified_at":"2026-11-05T10:00:41.950278584Z","published_at":"2026-10-27T14:16:49.447Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-117938","https://security-tracker.debian.org/tracker/CVE-2026-117938"],"severity":{"label":"medium","score":6.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-117938#Debian:13/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-117938"}],"summary":"Use-after-free in the Layout component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6."}