{"id":"RHSA-2026:21743","summary":"Red Hat Security Advisory: firefox security update","modified":"2026-05-29T10:17:56.415435864Z","published":"2026-05-29T10:11:02Z","upstream":["CVE-2026-7320","CVE-2026-7321","CVE-2026-7322","CVE-2026-7323"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:21743"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"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"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_21743.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-7320"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-7320"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7320"},{"type":"ARTICLE","url":"https://www.mozilla.org/security/advisories/mfsa2026-36/#CVE-2026-7320"},{"type":"ARTICLE","url":"https://www.mozilla.org/security/advisories/mfsa2026-39/#CVE-2026-7320"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-7321"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-7321"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7321"},{"type":"ARTICLE","url":"https://www.mozilla.org/security/advisories/mfsa2026-36/#CVE-2026-7321"},{"type":"ARTICLE","url":"https://www.mozilla.org/security/advisories/mfsa2026-39/#CVE-2026-7321"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-7322"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-7322"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7322"},{"type":"ARTICLE","url":"https://www.mozilla.org/security/advisories/mfsa2026-36/#CVE-2026-7322"},{"type":"ARTICLE","url":"https://www.mozilla.org/security/advisories/mfsa2026-39/#CVE-2026-7322"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-7323"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-7323"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7323"},{"type":"ARTICLE","url":"https://www.mozilla.org/security/advisories/mfsa2026-36/#CVE-2026-7323"},{"type":"ARTICLE","url":"https://www.mozilla.org/security/advisories/mfsa2026-39/#CVE-2026-7323"}],"affected":[{"package":{"name":"firefox","ecosystem":"Red Hat:rhel_e4s:9.0::appstream","purl":"pkg:rpm/redhat/firefox"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:140.10.1-1.el9_0"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:21743.json"}},{"package":{"name":"firefox-debuginfo","ecosystem":"Red Hat:rhel_e4s:9.0::appstream","purl":"pkg:rpm/redhat/firefox-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:140.10.1-1.el9_0"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:21743.json"}},{"package":{"name":"firefox-debugsource","ecosystem":"Red Hat:rhel_e4s:9.0::appstream","purl":"pkg:rpm/redhat/firefox-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:140.10.1-1.el9_0"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:21743.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"}]}