What’s Vulnerable › Vulnerabilities

CVE-2019-20797

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-05-18 · updated 2026-06-17
• Weakness: CWE-787

Description

An issue was discovered in e6y prboom-plus 2.5.1.5. There is a buffer overflow in client and server code responsible for handling received UDP packets, as demonstrated by I_SendPacket or I_SendPacketTo in i_network.c.

Affected products

• Prboom-Plus Project Prboom-Plus: 2.5.1.5

References

• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00027.html
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00028.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/77J22ZEQXS5SAYZGBDJ475AKFFJNKX5L/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3WS7GRZUIHCGLFET33MGC3PEKCH37W6/
• https://logicaltrust.net/blog/2019/10/prboom1.html
• https://sourceforge.net/p/prboom-plus/bugs/252/
• https://sourceforge.net/p/prboom-plus/bugs/253/
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00027.html
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00028.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/77J22ZEQXS5SAYZGBDJ475AKFFJNKX5L/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3WS7GRZUIHCGLFET33MGC3PEKCH37W6/
• https://logicaltrust.net/blog/2019/10/prboom1.html

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