RHSA-2026:58899
- Source
- https://access.redhat.com/errata/RHSA-2026:58899
- Import Source
- https://security.access.redhat.com/data/osv/RHSA-2026:58899.json
- JSON Data
- https://api.osv.dev/v1/vulns/RHSA-2026:58899
- Upstream
- Published
- 2026-08-25T10:23:00Z
- Modified
- 2026-08-27T10:15:33Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/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-2026:58899
- https://access.redhat.com/security/updates/classification/#important
- https://bugzilla.redhat.com/show_bug.cgi?id=2517819
- https://bugzilla.redhat.com/show_bug.cgi?id=2517820
- https://bugzilla.redhat.com/show_bug.cgi?id=2517822
- https://bugzilla.redhat.com/show_bug.cgi?id=2517823
- https://bugzilla.redhat.com/show_bug.cgi?id=2517825
- https://bugzilla.redhat.com/show_bug.cgi?id=2517826
- https://bugzilla.redhat.com/show_bug.cgi?id=2517831
- https://bugzilla.redhat.com/show_bug.cgi?id=2517833
- https://bugzilla.redhat.com/show_bug.cgi?id=2517834
- https://bugzilla.redhat.com/show_bug.cgi?id=2517835
- https://bugzilla.redhat.com/show_bug.cgi?id=2517836
- https://bugzilla.redhat.com/show_bug.cgi?id=2517837
- https://bugzilla.redhat.com/show_bug.cgi?id=2517839
- https://bugzilla.redhat.com/show_bug.cgi?id=2517840
- https://bugzilla.redhat.com/show_bug.cgi?id=2517841
- https://bugzilla.redhat.com/show_bug.cgi?id=2517845
- https://bugzilla.redhat.com/show_bug.cgi?id=2517846
- https://bugzilla.redhat.com/show_bug.cgi?id=2517849
- https://bugzilla.redhat.com/show_bug.cgi?id=2517851
- https://bugzilla.redhat.com/show_bug.cgi?id=2517853
- https://bugzilla.redhat.com/show_bug.cgi?id=2517856
- https://bugzilla.redhat.com/show_bug.cgi?id=2517858
- https://bugzilla.redhat.com/show_bug.cgi?id=2517859
- https://bugzilla.redhat.com/show_bug.cgi?id=2517860
- https://bugzilla.redhat.com/show_bug.cgi?id=2517862
- https://bugzilla.redhat.com/show_bug.cgi?id=2517863
- https://bugzilla.redhat.com/show_bug.cgi?id=2517866
- https://bugzilla.redhat.com/show_bug.cgi?id=2517868
- https://bugzilla.redhat.com/show_bug.cgi?id=2517870
- https://bugzilla.redhat.com/show_bug.cgi?id=2517872
- https://bugzilla.redhat.com/show_bug.cgi?id=2517874
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_58899.json
- https://access.redhat.com/security/cve/CVE-2026-74934
- https://www.cve.org/CVERecord?id=CVE-2026-74934
- https://nvd.nist.gov/vuln/detail/CVE-2026-74934
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74934
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74934
- https://access.redhat.com/security/cve/CVE-2026-74935
- https://www.cve.org/CVERecord?id=CVE-2026-74935
- https://nvd.nist.gov/vuln/detail/CVE-2026-74935
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74935
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74935
- https://access.redhat.com/security/cve/CVE-2026-74936
- https://www.cve.org/CVERecord?id=CVE-2026-74936
- https://nvd.nist.gov/vuln/detail/CVE-2026-74936
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74936
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74936
- https://access.redhat.com/security/cve/CVE-2026-74939
- https://www.cve.org/CVERecord?id=CVE-2026-74939
- https://nvd.nist.gov/vuln/detail/CVE-2026-74939
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74939
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74939
- https://access.redhat.com/security/cve/CVE-2026-74940
- https://www.cve.org/CVERecord?id=CVE-2026-74940
- https://nvd.nist.gov/vuln/detail/CVE-2026-74940
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74940
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74940
- https://access.redhat.com/security/cve/CVE-2026-74941
- https://www.cve.org/CVERecord?id=CVE-2026-74941
- https://nvd.nist.gov/vuln/detail/CVE-2026-74941
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74941
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74941
- https://access.redhat.com/security/cve/CVE-2026-74942
- https://www.cve.org/CVERecord?id=CVE-2026-74942
- https://nvd.nist.gov/vuln/detail/CVE-2026-74942
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74942
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74942
- https://access.redhat.com/security/cve/CVE-2026-74943
- https://www.cve.org/CVERecord?id=CVE-2026-74943
- https://nvd.nist.gov/vuln/detail/CVE-2026-74943
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74943
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74943
- https://access.redhat.com/security/cve/CVE-2026-74944
- https://www.cve.org/CVERecord?id=CVE-2026-74944
- https://nvd.nist.gov/vuln/detail/CVE-2026-74944
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74944
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74944
- https://access.redhat.com/security/cve/CVE-2026-74945
- https://www.cve.org/CVERecord?id=CVE-2026-74945
- https://nvd.nist.gov/vuln/detail/CVE-2026-74945
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74945
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74945
- https://access.redhat.com/security/cve/CVE-2026-74946
- https://www.cve.org/CVERecord?id=CVE-2026-74946
- https://nvd.nist.gov/vuln/detail/CVE-2026-74946
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74946
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74946
- https://access.redhat.com/security/cve/CVE-2026-74948
- https://www.cve.org/CVERecord?id=CVE-2026-74948
- https://nvd.nist.gov/vuln/detail/CVE-2026-74948
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74948
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74948
- https://access.redhat.com/security/cve/CVE-2026-74949
- https://www.cve.org/CVERecord?id=CVE-2026-74949
- https://nvd.nist.gov/vuln/detail/CVE-2026-74949
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74949
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74949
- https://access.redhat.com/security/cve/CVE-2026-74953
- https://www.cve.org/CVERecord?id=CVE-2026-74953
- https://nvd.nist.gov/vuln/detail/CVE-2026-74953
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74953
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74953
- https://access.redhat.com/security/cve/CVE-2026-74957
- https://www.cve.org/CVERecord?id=CVE-2026-74957
- https://nvd.nist.gov/vuln/detail/CVE-2026-74957
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74957
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74957
- https://access.redhat.com/security/cve/CVE-2026-74959
- https://www.cve.org/CVERecord?id=CVE-2026-74959
- https://nvd.nist.gov/vuln/detail/CVE-2026-74959
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74959
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74959
- https://access.redhat.com/security/cve/CVE-2026-74960
- https://www.cve.org/CVERecord?id=CVE-2026-74960
- https://nvd.nist.gov/vuln/detail/CVE-2026-74960
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74960
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74960
- https://access.redhat.com/security/cve/CVE-2026-74962
- https://www.cve.org/CVERecord?id=CVE-2026-74962
- https://nvd.nist.gov/vuln/detail/CVE-2026-74962
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74962
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74962
- https://access.redhat.com/security/cve/CVE-2026-74963
- https://www.cve.org/CVERecord?id=CVE-2026-74963
- https://nvd.nist.gov/vuln/detail/CVE-2026-74963
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74963
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74963
- https://access.redhat.com/security/cve/CVE-2026-74964
- https://www.cve.org/CVERecord?id=CVE-2026-74964
- https://nvd.nist.gov/vuln/detail/CVE-2026-74964
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74964
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74964
- https://access.redhat.com/security/cve/CVE-2026-74965
- https://www.cve.org/CVERecord?id=CVE-2026-74965
- https://nvd.nist.gov/vuln/detail/CVE-2026-74965
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74965
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74965
- https://access.redhat.com/security/cve/CVE-2026-74967
- https://www.cve.org/CVERecord?id=CVE-2026-74967
- https://nvd.nist.gov/vuln/detail/CVE-2026-74967
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74967
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74967
- https://access.redhat.com/security/cve/CVE-2026-74969
- https://www.cve.org/CVERecord?id=CVE-2026-74969
- https://nvd.nist.gov/vuln/detail/CVE-2026-74969
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74969
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74969
- https://access.redhat.com/security/cve/CVE-2026-74971
- https://www.cve.org/CVERecord?id=CVE-2026-74971
- https://nvd.nist.gov/vuln/detail/CVE-2026-74971
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74971
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74971
- https://access.redhat.com/security/cve/CVE-2026-74972
- https://www.cve.org/CVERecord?id=CVE-2026-74972
- https://nvd.nist.gov/vuln/detail/CVE-2026-74972
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74972
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74972
- https://access.redhat.com/security/cve/CVE-2026-74973
- https://www.cve.org/CVERecord?id=CVE-2026-74973
- https://nvd.nist.gov/vuln/detail/CVE-2026-74973
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74973
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74973
- https://access.redhat.com/security/cve/CVE-2026-74974
- https://www.cve.org/CVERecord?id=CVE-2026-74974
- https://nvd.nist.gov/vuln/detail/CVE-2026-74974
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74974
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74974
- https://access.redhat.com/security/cve/CVE-2026-74976
- https://www.cve.org/CVERecord?id=CVE-2026-74976
- https://nvd.nist.gov/vuln/detail/CVE-2026-74976
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74976
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74976
- https://access.redhat.com/security/cve/CVE-2026-74983
- https://www.cve.org/CVERecord?id=CVE-2026-74983
- https://nvd.nist.gov/vuln/detail/CVE-2026-74983
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74983
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74983
- https://access.redhat.com/security/cve/CVE-2026-74987
- https://www.cve.org/CVERecord?id=CVE-2026-74987
- https://nvd.nist.gov/vuln/detail/CVE-2026-74987
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74987
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74987
- https://access.redhat.com/security/cve/CVE-2026-74990
- https://www.cve.org/CVERecord?id=CVE-2026-74990
- https://nvd.nist.gov/vuln/detail/CVE-2026-74990
- https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74990
- https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74990
Affected packages
Red Hat:enterprise_linux:10.2 / firefox
Package
- Name
- firefox
- Purl
- pkg:rpm/redhat/firefox
Red Hat:enterprise_linux:10.2 / firefox-debuginfo
Package
- Name
- firefox-debuginfo
- Purl
- pkg:rpm/redhat/firefox-debuginfo