{"action":"Upgrade librewolf to 88.0-r0 or later.","affected":[{"fixed":"88.0-r0","introduced":"0"}],"component":"librewolf","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.21","exploited":false,"fixed_versions":["88.0-r0"],"id":"tcs_01M6GV2ZRSP6BZCB78EHN2AMWT","modified_at":"2026-11-03T06:32:38.481096032Z","published_at":"2021-06-24T14:15:09.417Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-23997","https://security.alpinelinux.org/vuln/CVE-2021-23997"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-23997#Alpine:v3.21/librewolf","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-23997"}],"summary":"Due to unexpected data type conversions, a use-after-free could have occurred when interacting with the font cache. We presume that with enough effort this could have been exploited to run arbitrary c"}