{"action":"Upgrade firefox-esr to 115.6.0esr-1~deb12u1 or later.","affected":[{"fixed":"115.6.0esr-1~deb12u1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["115.6.0esr-1~deb12u1"],"id":"tcs_01M5NJZP593CXZEYEN3BPCCE4J","modified_at":"2026-10-26T18:00:15.865644477Z","published_at":"2023-12-19T14:15:07.377Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-6857","https://security-tracker.debian.org/tracker/CVE-2023-6857"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-6857","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-6857"}],"summary":"When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary. *This bug only affects Firefox on Unix-based operating systems (Android, Linux,"}