{"id":"ALSA-2025:3556","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: thunderbird: URL Bar Spoofing via non-BMP Unicode characters (CVE-2025-3029)\n  * firefox: thunderbird: Use-after-free triggered by XSLTProcessor (CVE-2025-3028)\n  * firefox: thunderbird: Memory safety bugs fixed in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9 (CVE-2025-3030)\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":"2026-02-04T03:38:28.041881Z","published":"2025-04-03T00:00:00Z","related":["CVE-2025-3028","CVE-2025-3029","CVE-2025-3030"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:3556"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-3028"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-3029"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-3030"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2356556"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2356562"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2356563"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2025-3556.html"}],"affected":[{"package":{"name":"firefox","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/firefox"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"128.9.0-2.el9_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2025:3556.json"}},{"package":{"name":"firefox-x11","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/firefox-x11"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"128.9.0-2.el9_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2025:3556.json"}}],"schema_version":"1.7.3"}