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Case File

CVE-2018-18503

HIGH · CVSS 8.8 EPSS 1.38% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-02-05 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — 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-2018-18503
Severity
HIGH
CVSS
8.8
EPSS
1.38%
Firefox Java

Original Filing — NVD Description

When JavaScript is used to create and manipulate an audio buffer, a potentially exploitable crash may occur because of a compartment mismatch in some situations. This vulnerability affects Firefox < 65.