{"id":"UBUNTU-CVE-2018-16807","details":"In Bro through 2.5.5, there is a memory leak potentially leading to DoS in scripts/base/protocols/krb/main.bro in the Kerberos protocol parser.","modified":"2025-10-24T04:47:12Z","published":"2018-09-11T02:29:00Z","upstream":["CVE-2018-16807"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-16807"},{"type":"REPORT","url":"https://github.com/bro/bro/commit/34d0cf886ca16c665f673a299e295b2a2bc14533"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-16807"}],"affected":[{"package":{"name":"bro","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/bro@2.4.1+dfsg-2build1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+dfsg-1","2.4.1+dfsg-1","2.4.1+dfsg-2","2.4.1+dfsg-2build1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.1+dfsg-2build1","binary_name":"bro"},{"binary_version":"2.4.1+dfsg-2build1","binary_name":"bro-common"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-16807.json"}},{"package":{"name":"bro","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/bro@2.5.3-1build1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.1-1build1","2.5.2-1","2.5.2-2","2.5.3-1","2.5.3-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.5.3-1build1","binary_name":"bro"},{"binary_version":"2.5.3-1build1","binary_name":"bro-common"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-16807.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:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}