{"id":"ALSA-2023:7508","summary":"Important: firefox security update","details":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.\n\nThis update upgrades Firefox to version 115.5.0 ESR.\n\nSecurity Fix(es):\n\n* Mozilla: Out-of-bound memory access in WebGL2 blitFramebuffer (CVE-2023-6204)\n* Mozilla: Use-after-free in MessagePort::Entangled (CVE-2023-6205)\n* Mozilla: Clickjacking permission prompts using the fullscreen transition (CVE-2023-6206)\n* Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer (CVE-2023-6207)\n* Mozilla: Memory safety bugs fixed in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5 (CVE-2023-6212)\n* Mozilla: Using Selection API would copy contents into X11 primary selection. (CVE-2023-6208)\n* Mozilla: Incorrect parsing of relative URLs starting with \"///\" (CVE-2023-6209)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-02-04T03:12:03.972787Z","published":"2023-11-27T00:00:00Z","related":["CVE-2023-6204","CVE-2023-6205","CVE-2023-6206","CVE-2023-6207","CVE-2023-6208","CVE-2023-6209","CVE-2023-6212"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2023:7508"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-6204"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-6205"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-6206"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-6207"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-6208"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-6209"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-6212"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2250896"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2250897"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2250898"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2250899"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2250900"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2250901"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2250902"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2023-7508.html"}],"affected":[{"package":{"name":"firefox","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/firefox"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"115.5.0-1.el8_9.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2023:7508.json"}}],"schema_version":"1.7.3"}