{"action":"Upgrade thunderbird to 1:128.8.0esr-1 or later.","affected":[{"fixed":"1:128.8.0esr-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:128.8.0esr-1"],"id":"tcs_01M5NMZP9FCN4FP1R9JAKYRRK1","modified_at":"2026-10-06T09:47:27.711165600Z","published_at":"2025-03-04T14:15:37.963Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-1931","https://security-tracker.debian.org/tracker/CVE-2025-1931"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-1931#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-1931"}],"summary":"It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 136, Firefox ESR"}