What’s Vulnerable › Vulnerabilities

CVE-2020-14983

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-06-22 · updated 2026-06-17
• Weakness: CWE-120

Description

The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.

Affected products

• Chocolate-Doom Chocolate Doom: 3.0.0
• Chocolate-Doom Crispy Doom: 5.8.0
• openSUSE Backports: sle-15-sp1
• openSUSE Leap: 15.1, 15.2

References

• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.html
• https://github.com/chocolate-doom/chocolate-doom/issues/1293
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.html
• https://github.com/chocolate-doom/chocolate-doom/issues/1293

Get alerted when CVE-2020-14983 or the next vulnerability affects your stack