{"action":"Upgrade firefox-esr to 115.6.0esr-1 or later.","affected":[{"fixed":"115.6.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["115.6.0esr-1"],"id":"tcs_01M5NJZP83YFJYFZSCPS3J6HQ3","modified_at":"2026-10-23T18:04:32.458066891Z","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#Debian:13/firefox-esr","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,"}