Heap-based Buffer Overflow Affecting firefox package, versions <0:115.6.0-1.el8_6


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.12% (49th percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-6143055
  • published3 Jan 2024
  • disclosed19 Dec 2023

Introduced: 19 Dec 2023

CVE-2023-6858  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade RHEL:8 firefox to version 0:115.6.0-1.el8_6 or higher.
This issue was patched in RHSA-2024:0024.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

Firefox was susceptible to a heap buffer overflow in nsTextFragment due to insufficient OOM handling. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

CVSS Scores

version 3.1