Out-of-bounds Read Affecting Firefox-ESR package, versions [,115.13)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.05% (17th percentile)

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  • Snyk ID SNYK-UNMANAGED-FIREFOXESR-7444603
  • published 12 Jul 2024
  • disclosed 9 Jul 2024
  • credit pwn2car

How to fix?

Upgrade Firefox-ESR to version 115.13 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read due to large allocation checks in Angle for GLSL shaders being too lenient. An attacker can access memory locations outside of the allocated range by allocating more than 8192 ints in private shader memory on macOS.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

Recommended
6.9 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Attack Requirements (AT)
    None
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Confidentiality (VC)
    High
  • Integrity (VI)
    None
  • Availability (VA)
    None
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None