CVE-2020-6019
HIGHValve's Game Networking Sockets <v1.2.0 - Memory Corruption
Title source: llmDescription
Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::Received_Data(), leading to an exception thrown from libprotobuf and resulting in a crash.
References (2)
Core 2
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/ValveSoftware/GameNetworkingSockets/commit/d944a10808891d202bb1d5e1998de6e0423af678
Exploit, Third Party Advisory x_refsource_misc
https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/
Scores
CVSS v3
7.5
EPSS
0.0279
EPSS Percentile
84.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-248
Status
published
Products (1)
valvesoftware/game_networking_sockets
< 1.2.0
Published
Nov 13, 2020
Tracked Since
Feb 18, 2026