Out-of-bounds Read Affecting Firefox-ESR package, versions [,115.5)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.17% (55th percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOXESR-6071732
  • published22 Nov 2023
  • disclosed21 Nov 2023
  • creditJSec

Introduced: 21 Nov 2023

CVE-2023-6204  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Firefox-ESR to version 115.5 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read in the WebGL2's blitFramebuffer function. An attacker can force an out-of-bounds read and leak memory data into the images created on the canvas element by manipulating the graphics settings and drivers. This is only exploitable if the system is running certain graphics settings and drivers.

CVSS Scores

version 3.1