CVE-2022-3266
Mozilla: Out of bounds read when decoding H264
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Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 20, 2022
Updated · November 21, 2025
Description
The Mozilla Foundation Security Advisory describes this flaw as:
An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.3CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-125 · Out-of-bounds Read