{"id":"UBUNTU-CVE-2023-27789","details":"An issue found in TCPprep v.4.4.3 allows a remote attacker to cause a denial of service via the cidr2cidr function at the cidr.c:178 endpoint.","modified":"2026-02-04T04:33:51.444873Z","published":"2023-03-16T15:15:00Z","related":["USN-7231-1"],"upstream":["CVE-2023-27789"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-27789"},{"type":"REPORT","url":"https://github.com/appneta/tcpreplay/pull/783"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-27789"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7231-1"}],"affected":[{"package":{"name":"tcpreplay","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/tcpreplay@3.4.4-2+deb8u1ubuntu0.1~esm3?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.4-2+deb8u1ubuntu0.1~esm3"}]}],"versions":["3.4.4-2","3.4.4-2+deb8u1build0.16.04.1","3.4.4-2+deb8u1ubuntu0.1~esm1","3.4.4-2+deb8u1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"tcpreplay","binary_version":"3.4.4-2+deb8u1ubuntu0.1~esm3"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-27789.json"}},{"package":{"name":"tcpreplay","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/tcpreplay@4.2.6-1ubuntu0.1~esm5?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.6-1ubuntu0.1~esm5"}]}],"versions":["4.2.6-1","4.2.6-1ubuntu0.1~esm1","4.2.6-1ubuntu0.1~esm2","4.2.6-1ubuntu0.1~esm3","4.2.6-1ubuntu0.1~esm4"],"ecosystem_specific":{"binaries":[{"binary_name":"tcpreplay","binary_version":"4.2.6-1ubuntu0.1~esm5"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-27789.json"}},{"package":{"name":"tcpreplay","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/tcpreplay@4.3.2-1ubuntu0.1~esm3?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.2-1ubuntu0.1~esm3"}]}],"versions":["4.3.2-1build1","4.3.2-1ubuntu0.1~esm1","4.3.2-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"tcpreplay","binary_version":"4.3.2-1ubuntu0.1~esm3"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-27789.json"}},{"package":{"name":"tcpreplay","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/tcpreplay@4.3.4-1ubuntu0.1~esm2?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.4-1ubuntu0.1~esm2"}]}],"versions":["4.3.3-2","4.3.4-1","4.3.4-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"tcpreplay","binary_version":"4.3.4-1ubuntu0.1~esm2"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-27789.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":"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":"negligible"}]}