{"action":"Upgrade firefox-esr to 68.2.0esr-1 or later.","affected":[{"fixed":"68.2.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["68.2.0esr-1"],"id":"tcs_01M5NDQ8F15Z43TKEAPSSBP8DG","modified_at":"2026-09-21T07:01:44.682169315Z","published_at":"2020-01-08T20:15:12.623Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-11759","https://security-tracker.debian.org/tracker/CVE-2019-11759"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-11759#Debian:13/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-11759"}],"summary":"An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an attacker to execute arbitrary code or more likely lead to a cr"}