Use of Uninitialized Resource Affecting firefox-esr package, versions <140.9.0esr-1~deb12u1


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.43% (35th percentile)

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  • Snyk IDSNYK-ECHOLATEST-FIREFOXESR-18169078
  • published22 Jul 2026
  • disclosed24 Mar 2026

Introduced: 24 Mar 2026

CVE-2026-4715  (opens in a new tab)
CWE-908  (opens in a new tab)

How to fix?

Upgrade Echo:latest firefox-esr to version 140.9.0esr-1~deb12u1 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 Echo. See How to fix? for Echo:latest relevant fixed versions and status.

Uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

CVSS Base Scores

version 3.1