RHSA-2026:21743
- Source
- https://access.redhat.com/errata/RHSA-2026:21743
- Import Source
- https://security.access.redhat.com/data/osv/RHSA-2026:21743.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/RHSA-2026:21743
- Upstream
- Published
- 2026-05-29T10:11:02Z
- Modified
- 2026-05-29T10:17:56.415435864Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- Red Hat Security Advisory: firefox security update
- Details
- References
-
- https://access.redhat.com/errata/RHSA-2026:21743
- https://access.redhat.com/security/updates/classification/#important
- https://bugzilla.redhat.com/show_bug.cgi?id=2463481
- https://bugzilla.redhat.com/show_bug.cgi?id=2463483
- https://bugzilla.redhat.com/show_bug.cgi?id=2463484
- https://bugzilla.redhat.com/show_bug.cgi?id=2463485
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_21743.json
- https://access.redhat.com/security/cve/CVE-2026-7320
- https://www.cve.org/CVERecord?id=CVE-2026-7320
- https://nvd.nist.gov/vuln/detail/CVE-2026-7320
- https://www.mozilla.org/security/advisories/mfsa2026-36/#CVE-2026-7320
- https://www.mozilla.org/security/advisories/mfsa2026-39/#CVE-2026-7320
- https://access.redhat.com/security/cve/CVE-2026-7321
- https://www.cve.org/CVERecord?id=CVE-2026-7321
- https://nvd.nist.gov/vuln/detail/CVE-2026-7321
- https://www.mozilla.org/security/advisories/mfsa2026-36/#CVE-2026-7321
- https://www.mozilla.org/security/advisories/mfsa2026-39/#CVE-2026-7321
- https://access.redhat.com/security/cve/CVE-2026-7322
- https://www.cve.org/CVERecord?id=CVE-2026-7322
- https://nvd.nist.gov/vuln/detail/CVE-2026-7322
- https://www.mozilla.org/security/advisories/mfsa2026-36/#CVE-2026-7322
- https://www.mozilla.org/security/advisories/mfsa2026-39/#CVE-2026-7322
- https://access.redhat.com/security/cve/CVE-2026-7323
- https://www.cve.org/CVERecord?id=CVE-2026-7323
- https://nvd.nist.gov/vuln/detail/CVE-2026-7323
- https://www.mozilla.org/security/advisories/mfsa2026-36/#CVE-2026-7323
- https://www.mozilla.org/security/advisories/mfsa2026-39/#CVE-2026-7323
Affected packages
Red Hat:rhel_e4s:9.0::appstream / firefox
Package
- Name
- firefox
- Purl
- pkg:rpm/redhat/firefox
Red Hat:rhel_e4s:9.0::appstream / firefox-debuginfo
Package
- Name
- firefox-debuginfo
- Purl
- pkg:rpm/redhat/firefox-debuginfo