Out-of-bounds Read Affecting firefox-esr package, versions <102.3.0esr-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.07% (32nd percentile)

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  • Snyk IDSNYK-DEBIAN12-FIREFOXESR-3180195
  • published23 Dec 2022
  • disclosed22 Dec 2022

Introduced: 22 Dec 2022

CVE-2022-3266  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Debian:12 firefox-esr to version 102.3.0esr-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-esr package and not the firefox-esr package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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.

CVSS Scores

version 3.1