CVE-2019-20797
CVE-2019-20797 is a high-severity vulnerability in Prboom-plus Project Prboom-plus with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Prboom-plus Project Prboom-plus
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2019-20797?
- 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.
- How severe is CVE-2019-20797?
- CVE-2019-20797 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2019-20797 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-20797?
- CVE-2019-20797 affects Prboom-plus Project Prboom-plus. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-20797?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-20797 published?
- CVE-2019-20797 was published on 2020-05-18 and last updated on 2026-06-17.
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/
Affected products (1)
- cpe:2.3:a:prboom-plus_project:prboom-plus:2.5.1.5:*:*:*:*:*:*:*
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