Out-of-Bounds Affecting Firefox-ESR package, versions [,115.35)[140.0,140.10)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.51% (40th percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOXESR-16134476
  • published23 Apr 2026
  • disclosed21 Apr 2026
  • creditUnknown

Introduced: 21 Apr 2026

CVE-2026-6785  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Firefox-ESR to version 115.35, 140.10 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-Bounds through the handling of memory operations. An attacker can execute arbitrary code or cause a crash by triggering memory corruption.

CVSS Base Scores

version 4.0
version 3.1