{"id":"UBUNTU-CVE-2019-20797","details":"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.","modified":"2025-10-24T04:48:09Z","published":"2020-05-18T00:15:00Z","upstream":["CVE-2019-20797"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-20797"},{"type":"REPORT","url":"https://logicaltrust.net/blog/2019/10/prboom1.html"},{"type":"REPORT","url":"https://sourceforge.net/p/prboom-plus/bugs/252/"},{"type":"REPORT","url":"https://sourceforge.net/p/prboom-plus/bugs/253/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-20797"}],"affected":[{"package":{"name":"prboom-plus","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/prboom-plus@2:2.5.1.5~svn4462+dfsg1-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:2.5.1.4~svn4425+dfsg1-2","2:2.5.1.4~svn4444+dfsg1-1","2:2.5.1.4~svn4454+dfsg1-1","2:2.5.1.4~svn4457+dfsg1-1","2:2.5.1.5~svn4462+dfsg1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"prboom-plus","binary_version":"2:2.5.1.5~svn4462+dfsg1-1"},{"binary_name":"prboom-plus-game-server","binary_version":"2:2.5.1.5~svn4462+dfsg1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20797.json"}},{"package":{"name":"prboom-plus","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/prboom-plus@2:2.5.1.5+svn4531+dfsg1-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:2.5.1.5~svn4462+dfsg1-1build1","2:2.5.1.5+svn4531+dfsg1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"prboom-plus","binary_version":"2:2.5.1.5+svn4531+dfsg1-1"},{"binary_name":"prboom-plus-game-server","binary_version":"2:2.5.1.5+svn4531+dfsg1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20797.json"}},{"package":{"name":"prboom-plus","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/prboom-plus@2:2.5.1.5+svn4540+dfsg1-1build1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:2.5.1.5+svn4540+dfsg1-1","2:2.5.1.5+svn4540+dfsg1-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"prboom-plus","binary_version":"2:2.5.1.5+svn4540+dfsg1-1build1"},{"binary_name":"prboom-plus-game-server","binary_version":"2:2.5.1.5+svn4540+dfsg1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20797.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}