Buffer overflow in Valvesoftware Game_networking_sockets
CVE-2020-6016
Valve's Game Networking Sockets prior to version v1.2.0 improperly handles unreliable segments with negative offsets in function SNP_ReceiveUnreliableSegment(), leading to a Heap-Based Buffer Underflow and a free() of memory not from the h…
EPSS: 0.058 (92.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Valvesoftware Game_networking_sockets
- N/a Game Networking Sockets — versions All versions prior to v1.2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@checkpoint.com (Patch, Third Party Advisory, x_refsource_MISC)
- cve@checkpoint.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-6016?
- CVE-2020-6016 is a critical-severity vulnerability in Valvesoftware Game_networking_sockets, classified under CWE-590. CVSS score: 9.8/10. Published 2020-11-18.
- How severe is CVE-2020-6016?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-6016 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.