{"id":"ALSA-2025:0144","summary":"Important: firefox security update","details":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.  \n\nSecurity Fix(es):  \n\n  * firefox: Use-after-free when breaking lines in text (CVE-2025-0238)\n  * firefox: Memory corruption when using JavaScript Text Segmentation (CVE-2025-0241)\n  * firefox: Alt-Svc ALPN validation failure when redirected (CVE-2025-0239)\n  * firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6 (CVE-2025-0243)\n  * firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6 (CVE-2025-0242)\n  * firefox: WebChannel APIs susceptible to confused deputy attack (CVE-2025-0237)\n  * firefox: Compartment mismatch when parsing JavaScript JSON module (CVE-2025-0240)\n\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.\n","modified":"2026-01-30T02:52:46.234736Z","published":"2025-01-09T00:00:00Z","related":["CVE-2025-0237","CVE-2025-0238","CVE-2025-0239","CVE-2025-0240","CVE-2025-0241","CVE-2025-0242","CVE-2025-0243"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:0144"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-0237"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-0238"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-0239"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-0240"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-0241"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-0242"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-0243"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2336165"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2336168"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2336170"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2336175"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2336181"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2336182"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2336188"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2025-0144.html"}],"affected":[{"package":{"name":"firefox","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/firefox"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"128.6.0-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:0144.json"}}],"schema_version":"1.7.3"}