{"action":"Upgrade thunderbird to 1:115.6.0-1~deb12u1 or later.","affected":[{"fixed":"1:115.6.0-1~deb12u1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:115.6.0-1~deb12u1"],"id":"tcs_01M5NJZSH1AK2CCGFP5BA8T3H9","modified_at":"2026-10-26T18:02:57.763588937Z","published_at":"2023-12-19T14:15:07.603Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-6862","https://security-tracker.debian.org/tracker/CVE-2023-6862"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-6862#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-6862"}],"summary":"A use-after-free was identified in the `nsDNSService::Init`. This issue appears to manifest rarely during start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6."}