{"id":"UBUNTU-CVE-2022-3515","details":"A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.","modified":"2026-04-22T15:36:41.135924Z","published":"2022-10-17T00:00:00Z","related":["USN-5688-1","USN-5688-2"],"upstream":["CVE-2022-3515"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-3515"},{"type":"REPORT","url":"https://gnupg.org/blog/20221017-pepe-left-the-ksba.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5688-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5688-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-3515"}],"affected":[{"package":{"name":"libksba","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libksba@1.3.0-3ubuntu0.14.04.2+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.0-3ubuntu0.14.04.2+esm1"}]}],"versions":["1.3.0-2","1.3.0-2ubuntu1","1.3.0-3","1.3.0-3ubuntu0.14.04.1","1.3.0-3ubuntu0.14.04.2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"libksba8","binary_version":"1.3.0-3ubuntu0.14.04.2+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-3515.json"}},{"package":{"name":"libksba","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libksba@1.3.3-1ubuntu0.16.04.1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3-1ubuntu0.16.04.1+esm1"}]}],"versions":["1.3.3-1","1.3.3-1ubuntu0.16.04.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"libksba8","binary_version":"1.3.3-1ubuntu0.16.04.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-3515.json"}},{"package":{"name":"libksba","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libksba@1.3.5-2ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5-2ubuntu0.18.04.1"}]}],"versions":["1.3.5-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libksba8","binary_version":"1.3.5-2ubuntu0.18.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-3515.json"}},{"package":{"name":"libksba","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libksba@1.3.5-2ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5-2ubuntu0.20.04.1"}]}],"versions":["1.3.5-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libksba8","binary_version":"1.3.5-2ubuntu0.20.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-3515.json"}},{"package":{"name":"libksba","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libksba@1.6.0-2ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.0-2ubuntu0.1"}]}],"versions":["1.5.1-1","1.5.1-1build1","1.6.0-2","1.6.0-2build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libksba8","binary_version":"1.6.0-2ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-3515.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]}