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Case File

CVE-2019-11758

HIGH · CVSS 8.8 EPSS 1.33% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-01-08 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. 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-2019-11758
Severity
HIGH
CVSS
8.8
EPSS
1.33%
Firefox

Original NVD Description

Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence of memory corruption in the accessibility engine and we presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.2, and Firefox ESR < 68.2.

Related CVEs

Other vulnerabilities affecting the same vendor(s)