CVE-2022-3266

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CVSS 3.1

5.5 medium

EPSS

<1%p22

Published

Dec 22, 2022 (Dec 22, 2022)

Modified

Jun 17, 2026

Description

An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

Vendors: mozilla
Products: firefox, firefox esr, thunderbird
Weakness: CWE-125
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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