{"id":"CVE-2020-6018","details":"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.","modified":"2026-03-03T01:15:49.187001Z","published":"2020-12-02T01:15:12.967Z","references":[{"type":"ADVISORY","url":"https://github.com/ValveSoftware/GameNetworkingSockets/commit/bea84e2844b647532a9b7fbc3a6a8989d66e49e3"},{"type":"ADVISORY","url":"https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/"},{"type":"FIX","url":"https://github.com/ValveSoftware/GameNetworkingSockets/commit/bea84e2844b647532a9b7fbc3a6a8989d66e49e3"},{"type":"EVIDENCE","url":"https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/valvesoftware/gamenetworkingsockets","events":[{"introduced":"0"},{"fixed":"5fe10494e27be722d18c443dc70f851541e5d554"}]}],"versions":["1.0.0","v1.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-6018.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}