CVE-2026-113400CWE-457

CVE-2026-113400

Medium · published October 20, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
16.8
In the wild
Unconfirmed
What it is

Uninitialized memory in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00260 · 16.8th percentile
Weakness
CWE-457 · Use of Uninitialized Variable
Published
2026-10-20T17:16Z
References (3)
https://bugzilla.mozilla.org/show_bug.cgi?id=2061768 · [email protected]https://www.mozilla.org/security/advisories/mfsa2026-111/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2026-114/ · [email protected]
EPSS history
Timeline
  • 22 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 20 OCT 12:58Z
    Uninitialized memory in the Audio/Video: cubeb component
    cvelistv5
  • 20 OCT 12:58Z
    Uninitialized memory in the Audio/Video: cubeb component
    cvelistv5