Security
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CVE-2026-100805

HIGHCVSS 7.5
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Description

Race condition, use-after-free in the Audio/Video component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.

Timeline
Published:September 29th, 2026 1:17 PM
Last modified:October 19th, 2026 5:38 PM
CVSS Scoring

CVSS v3: 7.5 (HIGH)

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Software
From NVD CPE configuration data

Vendors

mozilla

Products

firefoxthunderbird
Weaknesses (CWE)
CWE-362CWE-416
References & Reports
Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute