CVE-2019-20797
An issue was discovered in e6y prboom-plus 2.5.1.5. There is a buffer overflow in client and...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-20797- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-20797- Updated
- 2026-11-02
EUVDEUVD-2019-11334 No score
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.
- Record
EUVD-2019-11334- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r7jw-rw59-w3xm No score
An issue was discovered in e6y prboom-plus 2.5.1.5. There is a buffer overflow in client and...
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.
- Record
GHSA-r7jw-rw59-w3xm- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2019-20797- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
OSVDEBIAN-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.
- Record
DEBIAN-CVE-2019-20797- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
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OSVUBUNTU-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.
- Record
UBUNTU-CVE-2019-20797- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2020:0807-1 No score
Security update for prboom-plus
This update for prboom-plus fixes the following issues:
- CVE-2019-20797: Fixed a buffer overflow in client and server code responsible for handling received UDP packets (boo#1171974)
- Record
openSUSE-SU-2020:0807-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2020:0820-1 No score
Security update for prboom-plus
This update for prboom-plus fixes the following issues:
- CVE-2019-20797: Fixed a buffer overflow in client and server code responsible for handling received UDP packets (boo#1171974)
This update was imported from the openSUSE:Leap:15.1:Update update project.
- Record
openSUSE-SU-2020:0820-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11192-1 No score
prboom-plus-2.6.1um-1.2 on GA media
These are all security issues fixed in the prboom-plus-2.6.1um-1.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11192-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
prboom-plusDebian:11 |
before 2:2.5.1.7um+git82-1 | 2:2.5.1.7um+git82-1 |
prboom-plusUbuntu:16.04:LTS |
All versions, plus listed versions 2:2.5.1.4~svn4425+dfsg1-22:2.5.1.4~svn4444+dfsg1-12:2.5.1.4~svn4454+dfsg1-12:2.5.1.4~svn4457+dfsg1-12:2.5.1.5~svn4462+dfsg1-1 |
None known |
prboom-plusUbuntu:18.04:LTS |
All versions, plus listed versions 2:2.5.1.5~svn4462+dfsg1-1build12:2.5.1.5+svn4531+dfsg1-1 |
None known |
prboom-plusUbuntu:20.04:LTS |
All versions, plus listed versions 2:2.5.1.5+svn4540+dfsg1-12:2.5.1.5+svn4540+dfsg1-1build1 |
None known |
prboom-plusopenSUSE:Leap 15.1 |
before 2.5.1.4-lp151.3.3.1 | 2.5.1.4-lp151.3.3.1 |
prboom-plusSUSE:Package Hub 15 SP1 |
before 2.5.1.4-bp151.4.3.1 | 2.5.1.4-bp151.4.3.1 |
prboom-plusopenSUSE:Tumbleweed |
before 2.6.1um-1.2 | 2.6.1um-1.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-20797 is a high vulnerability (CVSS 7.5) in Prboom-plus Project Prboom-plus, published May 17, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.09%, the 87th percentile. Fixed in prboom-plus 2:2.5.1.7um+git82-1.
References
sourceforge.net/p/prboom-plus/bugs/252
logicaltrust.net/blog/2019/10/prboom1.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/77J22ZEQXS5SAYZGBDJ475AKFFJNKX5L
lists.opensuse.org/opensuse-security-announce/2020-06/msg00027.html
Show 12 moreShow less
nvd.nist.gov/vuln/detail/CVE-2019-20797
github.com/advisories/GHSA-r7jw-rw59-w3xm
security-tracker.debian.org/tracker/CVE-2019-20797
ubuntu.com/security/CVE-2019-20797
cve.org/CVERecord?id=CVE-2019-20797
bugzilla.suse.com/1171974
suse.com/security/cve/CVE-2019-20797