{"schema_version": "1.7.0", "id": "RLSA-2026:19153", "modified": "2026-05-29T16:04:54.934828Z", "published": "2026-05-29T16:03:24.060458Z", "upstream": ["CVE-2026-7320", "CVE-2026-7321", "CVE-2026-7322", "CVE-2026-7323"], "summary": "Important: thunderbird security update", "details": "Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nSecurity Fix(es):\n\n* firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1 (CVE-2026-7323)\n\n* firefox: thunderbird: Information disclosure due to incorrect boundary conditions in the Audio/Video component (CVE-2026-7320)\n\n* firefox: thunderbird: Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1 (CVE-2026-7322)\n\n* firefox: thunderbird: webrtc: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component (CVE-2026-7321)\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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:10", "name": "thunderbird", "purl": "pkg:rpm/rocky-linux/thunderbird?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:140.10.1-1.el10_2"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:19153"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2463485"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2463484"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2463483"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2463481"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}