{"action":"Upgrade thunderbird to 1:102.10.0-1 or later.","affected":[{"fixed":"1:102.10.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:102.10.0-1"],"id":"tcs_01M5NHVFZG8XQ737E2YYH2BF13","modified_at":"2026-10-26T18:00:25.927729690Z","published_at":"2023-06-20T12:15:09.600Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-1999","https://security-tracker.debian.org/tracker/CVE-2023-1999"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-1999#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-1999"}],"summary":"There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will th"}