CVE-2026-92063CWE-770denial-of-service

CVE-2026-92063

Medium · published September 15, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
31.0
In the wild
Unconfirmed
What it is

Denial-of-service in the Audio/Video component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00384 · 31.0th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-09-15T17:17Z
Affected products (2)
ProductVersionsFixed in
mozilla/firefox< 156.0.0156.0.0
mozilla/thunderbird< 156.0156.0
References (3)
https://bugzilla.mozilla.org/show_bug.cgi?id=2055737 · [email protected]https://www.mozilla.org/security/advisories/mfsa2026-90/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2026-94/ · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 15 SEP 12:34Z
    Denial-of-service in the Audio/Video component
    cvelistv5