{"id":"UBUNTU-CVE-2018-18408","details":"A use-after-free was discovered in the tcpbridge binary of Tcpreplay 4.3.0 beta1. The issue gets triggered in the function post_args() at tcpbridge.c, causing a denial of service or possibly unspecified other impact.","modified":"2026-01-30T00:40:01.835076Z","published":"2018-10-17T04:29:00Z","related":["USN-5205-1"],"upstream":["CVE-2018-18408"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-18408"},{"type":"REPORT","url":"https://github.com/appneta/tcpreplay/issues/489"},{"type":"REPORT","url":"https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.md#use-after-free-in-post_args"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5205-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-18408"}],"affected":[{"package":{"name":"tcpreplay","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/tcpreplay@3.4.4-2+deb8u1ubuntu0.1~esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.4-2+deb8u1ubuntu0.1~esm2"}]}],"versions":["3.4.4-2","3.4.4-2+deb8u1build0.16.04.1","3.4.4-2+deb8u1ubuntu0.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"3.4.4-2+deb8u1ubuntu0.1~esm2","binary_name":"tcpreplay"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18408.json"}},{"package":{"name":"tcpreplay","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/tcpreplay@4.2.6-1ubuntu0.1~esm2?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.6-1ubuntu0.1~esm2"}]}],"versions":["4.2.6-1","4.2.6-1ubuntu0.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"4.2.6-1ubuntu0.1~esm2","binary_name":"tcpreplay"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18408.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}