CVE-2026-6751

INFO Priority: 0.00 BB Relevance: 0/100
Published: 2026-04-21 Modified: 2026-10-26 First seen: 2026-10-29 Status: pending_score

Description

Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Weakness Classification (2)

Affected Software (3)

VendorProductVersion
mozilla firefox < 140.10.0
mozilla firefox < 150.0
mozilla thunderbird 140.0 – 140.10.0

Bug Bounty Relevance

0 / 100

CVSS Score

Unscored

EPSS — Exploitation Probability

0.31%
Raw Score 0.003070
Percentile 23.5%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00307
2026-10-28
0.00307

Intelligence Sources

nvd ref →