Access of Resource Using Incompatible Type ('Type Confusion') Affecting firefox-x11 package, versions <0:128.8.0-1.el9_5


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.1% (30th percentile)

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  • Snyk IDSNYK-RHEL9-FIREFOXX11-9294419
  • published6 Mar 2025
  • disclosed4 Mar 2025

Introduced: 4 Mar 2025

CVE-2025-1933  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade RHEL:9 firefox-x11 to version 0:128.8.0-1.el9_5 or higher.
This issue was patched in RHSA-2025:2359.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-x11 package and not the firefox-x11 package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. This vulnerability affects Firefox < 136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

CVSS Base Scores

version 3.1