{"action":"Upgrade firefox-esr to 140.10.2esr-1~deb12u1 or later.","affected":[{"fixed":"140.10.2esr-1~deb12u1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["140.10.2esr-1~deb12u1"],"id":"tcs_01M5NVTAN92XMX9BY0984Q4RHT","modified_at":"2026-10-01T03:03:51.066472789Z","published_at":"2026-05-07T13:16:13.967Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-8090","https://security-tracker.debian.org/tracker/CVE-2026-8090"],"severity":{"label":"high","score":7.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-8090","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-8090"}],"summary":"Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2."}