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Vulnerability DatabaseCVE-2025-1938

CVE-2025-1938: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2025-1938 is a memory safety vulnerability discovered in multiple Mozilla products. The vulnerability affects Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7, and was disclosed on March 4, 2025. The issue was identified by Julien Wajsberg and the Mozilla Fuzzing Team (Mozilla Advisory).

Technical details

The vulnerability involves memory safety bugs that showed evidence of memory corruption. The issue has been assigned a CVSS 3.1 Base Score of 6.5 (MEDIUM) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N. The vulnerability is classified as CWE-787 (Out-of-bounds Write) (NVD).

Impact

These memory safety bugs showed evidence of memory corruption and could potentially be exploited to run arbitrary code on affected systems. The vulnerability affects multiple versions of Firefox and Thunderbird products, potentially exposing users to remote code execution attacks (Mozilla Advisory).

Mitigation and workarounds

The vulnerability has been fixed in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. Users are advised to update their software to these latest versions to protect against potential exploitation (Mozilla Advisory).

Additional resources

Source: This report was generated using AI

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