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Case File

CVE-2025-4087

MEDIUM · CVSS 4.8 EPSS 0.30%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-04-29 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.8. It affects Firefox.

CVE
CVE-2025-4087
Severity
MEDIUM
CVSS
4.8
EPSS
0.30%
Firefox

Original NVD Description

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 was fixed in Firefox 138, Firefox ESR 128.10, Thunderbird 138, and Thunderbird 128.10.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-16412 CRITICAL CVE-2026-16411 CRITICAL CVE-2026-16410 CRITICAL CVE-2026-16409 HIGH CVE-2026-16408 CRITICAL CVE-2026-16407 CRITICAL