{"action":"Upgrade thunderbird to 78.5.1-r0 or later.","affected":[{"fixed":"78.5.1-r0","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.21","exploited":false,"fixed_versions":["78.5.1-r0"],"id":"tcs_01M6GTA4QK3GA7APSEEC09SA24","modified_at":"2026-11-03T06:32:37.240318248Z","published_at":"2020-12-09T01:15:13.223Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-26960","https://security.alpinelinux.org/vuln/CVE-2020-26960"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-26960#Alpine:v3.21/thunderbird","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-26960"}],"summary":"If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerabilit"}