CVE-2026-74961: Side-channel in the Web Audio component
Published Aug 18, 2026
·Updated
Side-channel in the Web Audio component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
Affected Software
3 affected componentsFixes available
Mozilla Firefox<154, <153.1
Mozilla Firefox<154
154
Mozilla Firefox ESR<153.1
153.1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 154 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 153.1 - Upgrade
Upgrade
Mozilla Firefox Web Audio componentto a version that resolves this vulnerability.Fixed in 154 - Upgrade
Upgrade
Mozilla Firefox ESR Web Audio componentto a version that resolves this vulnerability.Fixed in 153.1
Event History
Aug 18, 2026
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Updated
via Mozilla·12:00 AM
Affected Software
CVE Published
via MITRE·12:23 PM
Data Sourced
via MITRE·12:23 PM
Description
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-75874
- CVE-2026-74934
- CVE-2026-74935
- CVE-2026-74936
- CVE-2026-74937
- CVE-2026-74938
- CVE-2026-74939
- CVE-2026-74940
- CVE-2026-74941
- CVE-2026-74942
- CVE-2026-74943
- CVE-2026-74944
- CVE-2026-74945
- CVE-2026-74946
- CVE-2026-74947
- CVE-2026-74948
- CVE-2026-74949
- CVE-2026-74950
- CVE-2026-74951
- CVE-2026-74952
- CVE-2026-74953
- CVE-2026-74954
- CVE-2026-74955
- CVE-2026-74956
- CVE-2026-74957
- CVE-2026-74958
- CVE-2026-74959
- CVE-2026-74960
- CVE-2026-74961
- CVE-2026-74962
- CVE-2026-74963
- CVE-2026-74964
- CVE-2026-74965
- CVE-2026-74966
- CVE-2026-74967
- CVE-2026-74968
- CVE-2026-74969
- CVE-2026-74970
- CVE-2026-74971
- CVE-2026-74972
- CVE-2026-74973
- CVE-2026-74974
- CVE-2026-74975
- CVE-2026-74976
- CVE-2026-74977
- CVE-2026-74978
- CVE-2026-74979
- CVE-2026-74980
- CVE-2026-74981
- CVE-2026-74982
- CVE-2026-74983
- CVE-2026-74984
- CVE-2026-74985
- CVE-2026-74986
- CVE-2026-74987
- CVE-2026-74988
- CVE-2026-74989
- CVE-2026-74990
Frequently Asked Questions
1
Which Firefox releases contain the fix?
Update Mozilla Firefox to Firefox 154, or to Firefox ESR 153.1 for the ESR release channel. These releases include the fix.