{"action":"Upgrade firefox-esr to 128.13.0esr-1 or later.","affected":[{"fixed":"128.13.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["128.13.0esr-1"],"id":"tcs_01M5NPDMGWGQ36HJJFMWKPYNWS","modified_at":"2026-10-06T09:47:31.058113553Z","published_at":"2025-07-22T21:15:49.830Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-8027","https://security-tracker.debian.org/tracker/CVE-2025-8027"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-8027#Debian:13/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-8027"}],"summary":"On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability was fixed in Firefox 141, Firefox"}