Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-74961 Details

Description

Side-channel in the Web Audio component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=2050380 [email protected]Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-74/ [email protected]Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-77/ [email protected]Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-78/ [email protected]Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-80/ [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-203Observable DiscrepancyCISA-ADP

Affected Products

ProductVersions
mozilla firefox
< 153.1.0

CPE

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*

Remediation

  • No remediation found in references.
mozilla thunderbird
< 153.1.0

CPE

  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-74961
NVD Published Date:
Aug 18, 2026
NVD Last Modified:
Aug 20, 2026
Source:
[email protected]