{"action":"Upgrade thunderbird to 1:128.6.0esr-1~deb12u1 or later.","affected":[{"fixed":"1:128.6.0esr-1~deb12u1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:128.6.0esr-1~deb12u1"],"id":"tcs_01M5NMSEKKM6H0EN5YV2D09K00","modified_at":"2026-10-06T09:47:35.876945945Z","published_at":"2025-01-07T16:15:38.470Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-0238","https://security-tracker.debian.org/tracker/CVE-2025-0238"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-0238#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-0238"}],"summary":"Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128"}