{"id":"UBUNTU-CVE-2016-4021","details":"The read_binary function in buffer.c in pgpdump before 0.30 allows context-dependent attackers to cause a denial of service (infinite loop and CPU consumption) via crafted input, as demonstrated by the \\xa3\\x03 string.","modified":"2025-10-24T04:45:44Z","published":"2016-05-26T14:59:00Z","upstream":["CVE-2016-4021"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-4021"},{"type":"REPORT","url":"https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2016-030.txt"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-4021"}],"affected":[{"package":{"name":"pgpdump","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/pgpdump@0.28-1+deb8u1build0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.28-1+deb8u1build0.14.04.1"}]}],"versions":["0.27-1","0.28-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"pgpdump","binary_version":"0.28-1+deb8u1build0.14.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-4021.json"}},{"package":{"name":"pgpdump","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/pgpdump@0.29-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.28-1","0.29-1"],"ecosystem_specific":{"binaries":[{"binary_name":"pgpdump","binary_version":"0.29-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-4021.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":"low"}]}