{"id":"USN-2982-1","summary":"libksba vulnerabilities","details":"Hanno Böck discovered that Libksba incorrectly handled decoding certain BER\ndata. An attacker could use this issue to cause Libksba to crash, resulting\nin a denial of service. This issue only applied to Ubuntu 12.04 LTS and\nUbuntu 14.04 LTS. (CVE-2016-4353)\n\nHanno Böck discovered that Libksba incorrectly handled decoding certain BER\ndata. An attacker could use this issue to cause Libksba to crash, resulting\nin a denial of service, or possibly execute arbitrary code. This issue only\napplied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-4354,\nCVE-2016-4355)\n\nHanno Böck discovered that Libksba incorrectly handled incorrect utf-8\nstrings when decoding certain DN data. An attacker could use this issue to\ncause Libksba to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. This issue only applied to Ubuntu 12.04 LTS and\nUbuntu 14.04 LTS. (CVE-2016-4356)\n\nPascal Cuoq discovered that Libksba incorrectly handled incorrect utf-8\nstrings when decoding certain DN data. An attacker could use this issue to\ncause Libksba to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2016-4574)\n\nPascal Cuoq discovered that Libksba incorrectly handled decoding certain\ndata. An attacker could use this issue to cause Libksba to crash, resulting\nin a denial of service. (CVE-2016-4579)\n","modified":"2026-02-10T04:40:59Z","published":"2016-05-17T15:34:41Z","related":["UBUNTU-CVE-2016-4353","UBUNTU-CVE-2016-4354","UBUNTU-CVE-2016-4355","UBUNTU-CVE-2016-4356","UBUNTU-CVE-2016-4574","UBUNTU-CVE-2016-4579"],"upstream":["CVE-2016-4353","CVE-2016-4354","CVE-2016-4355","CVE-2016-4356","CVE-2016-4574","CVE-2016-4579","UBUNTU-CVE-2016-4353","UBUNTU-CVE-2016-4354","UBUNTU-CVE-2016-4355","UBUNTU-CVE-2016-4356","UBUNTU-CVE-2016-4574","UBUNTU-CVE-2016-4579"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2982-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-4353"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-4354"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-4355"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-4356"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-4574"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-4579"}],"affected":[{"package":{"name":"libksba","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libksba@1.3.0-3ubuntu0.14.04.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.0-3ubuntu0.14.04.2"}]}],"versions":["1.3.0-2","1.3.0-2ubuntu1","1.3.0-3","1.3.0-3ubuntu0.14.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libksba-dev","binary_version":"1.3.0-3ubuntu0.14.04.2"},{"binary_name":"libksba8","binary_version":"1.3.0-3ubuntu0.14.04.2"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:14.04:LTS","cves":[{"id":"CVE-2016-4353","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"}]},{"id":"CVE-2016-4354","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"}]},{"id":"CVE-2016-4355","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"}]},{"id":"CVE-2016-4356","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"}]},{"id":"CVE-2016-4574","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"}]},{"id":"CVE-2016-4579","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"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-2982-1.json"}},{"package":{"name":"libksba","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libksba@1.3.3-1ubuntu0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3-1ubuntu0.16.04.1"}]}],"versions":["1.3.3-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libksba-dev","binary_version":"1.3.3-1ubuntu0.16.04.1"},{"binary_name":"libksba8","binary_version":"1.3.3-1ubuntu0.16.04.1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2016-4574","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"}]},{"id":"CVE-2016-4579","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"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-2982-1.json"}}],"schema_version":"1.7.3"}