VULNERABILITY INTELLIGENCE

CVE-2020-6018

CVSS score9.8 CRITICAL
EPSS probability3.23%
CISA KEVNot currently listed
Published2020-12-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Valve's Game Networking Sockets prior to version v1.2.0 improperly handles long encrypted messages in function AES_GCM_DecryptContext::Decrypt() when compiled using libsodium, leading to a Stack-Based Buffer Overflow and resulting in a memory corruption and possibly even a remote code execution.

Weakness classification

  • cve@checkpoint.com: CWE-120
  • nvd@nist.gov: CWE-787

Primary references