Out-of-bounds Read Affecting firefox-debuginfo package, versions <0:128.10.0-1.amzn2023.0.2


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.07% (23rd percentile)

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  • Snyk IDSNYK-AMZN2023-FIREFOXDEBUGINFO-10294016
  • published3 Jun 2025
  • disclosed29 Apr 2025

Introduced: 29 Apr 2025

CVE-2025-4087  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 firefox-debuginfo to version 0:128.10.0-1.amzn2023.0.2 or higher.
This issue was patched in ALAS2023-2025-976.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-debuginfo package and not the firefox-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

A vulnerability was identified in Thunderbird where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access and potentially, memory corruption. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird < 128.10.

CVSS Base Scores

version 3.1