Critical severity9.8NVD Advisory· Published Dec 2, 2020· Updated Jun 17, 2026
CVE-2020-6018
CVE-2020-6018
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- cpe:2.3:a:valvesoftware:game_networking_sockets:*:*:*:*:*:*:*:*Range: <1.2.0
- Valve/Game Networking Socketsdescription
<v1.2.0+ 1 more
- (no CPE)range: <v1.2.0
- (no CPE)range: <v1.2.0
Patches
Vulnerability mechanics
References
2- github.com/ValveSoftware/GameNetworkingSockets/commit/bea84e2844b647532a9b7fbc3a6a8989d66e49e3nvdPatchThird Party Advisory
- research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/nvdExploitThird Party Advisory
News mentions
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