CVE-2026-2773 - Vulnerability Analysis

Overview

Firefox < 148, Firefox ESR < 115.33, and Firefox ESR < 140.8 contain a vulnerability caused by incorrect boundary conditions in the Web Audio component, letting attackers potentially cause unexpected behavior, exploit requires crafted input.

Severity & Score

Impact

Attackers can cause unexpected behavior or potential crashes, possibly leading to denial of service or other impacts.

Mitigation

Update to Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8 or later versions.

References

• https://www.mozilla.org/security/advisories/mfsa2026-17/
• https://bugzilla.mozilla.org/show_bug.cgi?id=2014832
• https://www.mozilla.org/security/advisories/mfsa2026-13/
• https://www.mozilla.org/security/advisories/mfsa2026-14/
• https://www.mozilla.org/security/advisories/mfsa2026-15/
• https://www.mozilla.org/security/advisories/mfsa2026-16/

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner