{"id":"RLSA-2026:20586","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.","modified":"2026-05-29T00:30:04.789789343Z","published":"2026-05-29T00:00:29.215827Z","upstream":["CVE-2026-7320","CVE-2026-7321","CVE-2026-7322","CVE-2026-7323"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:20586"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2463481"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2463483"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2463484"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2463485"}],"affected":[{"package":{"name":"thunderbird","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/thunderbird?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:140.10.1-1.el8_10"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:20586.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}