{"id":"USN-5787-1","summary":"libksba vulnerability","details":"It was discovered that Libksba incorrectly handled parsing CRL signatures.\nA remote attacker could use this issue to cause Libksba to crash, resulting\nin a denial of service, or possibly execute arbitrary code.\n","modified":"2026-04-22T10:31:20.550777Z","published":"2023-01-05T12:43:29Z","related":["UBUNTU-CVE-2022-47629"],"upstream":["CVE-2022-47629","UBUNTU-CVE-2022-47629"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5787-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-47629"}],"affected":[{"package":{"name":"libksba","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libksba@1.3.5-2ubuntu0.18.04.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5-2ubuntu0.18.04.2"}]}],"versions":["1.3.5-2","1.3.5-2ubuntu0.18.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libksba8","binary_version":"1.3.5-2ubuntu0.18.04.2"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2022-47629","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5787-1.json"}},{"package":{"name":"libksba","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libksba@1.3.5-2ubuntu0.20.04.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5-2ubuntu0.20.04.2"}]}],"versions":["1.3.5-2","1.3.5-2ubuntu0.20.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.3.5-2ubuntu0.20.04.2","binary_name":"libksba8"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"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":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2022-47629"}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5787-1.json"}},{"package":{"name":"libksba","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libksba@1.6.0-2ubuntu0.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.0-2ubuntu0.2"}]}],"versions":["1.5.1-1","1.5.1-1build1","1.6.0-2","1.6.0-2build1","1.6.0-2ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.6.0-2ubuntu0.2","binary_name":"libksba8"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2022-47629","severity":[{"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":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5787-1.json"}}],"schema_version":"1.7.5"}