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Case File

CVE-2018-6340

HIGH · CVSS 8.1 EPSS 1.43% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-12-31 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.1. 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
GitHub PoC Links

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

CVE
CVE-2018-6340
Severity
HIGH
CVSS
8.1
EPSS
1.43%

Original NVD Description

The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).

Related CVEs

Other vulnerabilities affecting the same vendor(s)