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Case File

CVE-2025-1009

CRITICAL · CVSS 9.8 EPSS 1.20% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-02-04 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Firefox. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2025-1009
Severity
CRITICAL
CVSS
9.8
EPSS
1.20%
Firefox

Original NVD Description

An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Related CVEs

Other vulnerabilities affecting the same vendor(s)