{"action":"Upgrade firefox-esr to 115.6.0-r0 or later.","affected":[{"fixed":"115.6.0-r0","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["115.6.0-r0"],"id":"tcs_01M6GHQG6ZPCGTTYX8F9E351BP","modified_at":"2026-11-03T06:32:03.795983689Z","published_at":"2023-12-19T14:15:07.420Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2023-6858","https://security.alpinelinux.org/vuln/CVE-2023-6858"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2023-6858#Alpine:v3.23/firefox-esr","url":"https://osv.dev/vulnerability/ALPINE-CVE-2023-6858"}],"summary":"Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121."}