How severe is CVE-2025-1937?

This vulnerability has a severity rating of HIGH with a CVSS score of 7.5 out of 10.

What type of vulnerability is CVE-2025-1937?

This is classified as CWE-1260, which is a common weakness in software security.

CVE-2025-1937

HIGH Year: 2025

CVSS v3 Score

7.5

High

Weakness Type

CWE-1260

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Vulnerability Description

Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and Thunderbird 128.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

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CVSS:8.2(High)

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CRITICAL

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