CVE-2022-3266

MEDIUM

Firefox ESR < 102.3, Thunderbird < 102.3, Firefox < 105 - Memory Co...

Title source: llm
STIX 2.1

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.

References (4)

Core 4

Scores

CVSS v3 5.5
EPSS 0.0012
EPSS Percentile 29.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (3)
mozilla/firefox < 105.0
mozilla/firefox_esr < 102.3
mozilla/thunderbird < 102.3
Published Dec 22, 2022
Tracked Since Feb 18, 2026