CVE-2025-8027 Affecting firefox package, versions <0:128.13.0-1.el8_10.alma.1


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-ALMALINUX8-FIREFOX-11342910
  • published31 Jul 2025
  • disclosed24 Jul 2025

Introduced: 24 Jul 2025

NewCVE-2025-8027  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 firefox to version 0:128.13.0-1.el8_10.alma.1 or higher.
This issue was patched in ALSA-2025:11747.

NVD Description

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

On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.

CVSS Base Scores

version 3.1