{"id":"CLEANSTART-2024-DP35912","summary":"When a Web Extension had the all-urls permission and made a fetch request with a mode set to 'same-origin', it was possible for the Web Extension to read local files","details":"Security vulnerability affects the librewolf package. When a Web Extension had the all-urls permission and made a fetch request with a mode set to 'same-origin', it was possible for the Web Extension to read local files.","modified":"2026-10-31T15:46:09.057435958Z","published":"2026-10-31T14:39:08.124118Z","upstream":["CVE-2020-6809"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-DP35912.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2020-6809"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-6809"}],"affected":[{"package":{"name":"librewolf","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/librewolf?arch=x86_64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"74.0-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-DP35912.json"}},{"package":{"name":"librewolf","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/librewolf?arch=armv7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"74.0-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-DP35912.json"}},{"package":{"name":"librewolf","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/librewolf?arch=aarch64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"74.0-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-DP35912.json"}},{"package":{"name":"librewolf","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/librewolf?arch=x86"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"74.0-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-DP35912.json"}},{"package":{"name":"librewolf","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/librewolf?arch=ppc64le"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"74.0-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-DP35912.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}