{"action":"Upgrade firefox-esr to 140.13.0esr-1 or later.","affected":[{"fixed":"140.13.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["140.13.0esr-1"],"id":"tcs_01M5NQQ6N6SJS7T4SZDW30GJQ3","modified_at":"2026-10-25T09:47:34.925766639Z","published_at":"2026-07-21T13:17:15.910Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-16405","https://security-tracker.debian.org/tracker/CVE-2026-16405"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-16405#Debian:14/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-16405"}],"summary":"Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13."}