{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":[],"id":"tcs_01M5ZTQN6JW2WTJC1FPNSMC4H0","modified_at":"2026-10-30T22:06:44.672343500Z","published_at":"2026-10-27T14:16:55.240Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-117973","https://security-tracker.debian.org/tracker/CVE-2026-117973"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-117973#Debian:14/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-117973"}],"summary":"Use-after-free in the Networking: DNS component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6."}