{"id":"USN-6166-2","summary":"libcap2 vulnerability","details":"USN-6166-1 fixed a vulnerability in libcap2. This update provides\nthe corresponding update for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM\nand Ubuntu 18.04 ESM.\n\nOriginal advisory details:\n\n Richard Weinberger discovered that libcap2 incorrectly handled certain long\n input strings. An attacker could use this issue to cause libcap2 to crash,\n resulting in a denial of service, or possibly execute arbitrary code.\n (CVE-2023-2603)\n","modified":"2026-06-29T13:50:52.801252446Z","published":"2023-06-19T11:49:36Z","related":["UBUNTU-CVE-2023-2603"],"upstream":["CVE-2023-2603","UBUNTU-CVE-2023-2603"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6166-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-2603"}],"affected":[{"package":{"name":"libcap2","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libcap2?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.24-0ubuntu2+esm1"}]}],"versions":["1:2.22-1.2ubuntu2","1:2.24-0ubuntu1","1:2.24-0ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"libcap2","binary_version":"1:2.24-0ubuntu2+esm1"},{"binary_name":"libcap2-bin","binary_version":"1:2.24-0ubuntu2+esm1"},{"binary_name":"libpam-cap","binary_version":"1:2.24-0ubuntu2+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-2603"}],"ecosystem":"Ubuntu:Pro:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6166-2.json"}},{"package":{"name":"libcap2","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libcap2?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.24-12ubuntu0.1~esm1"}]}],"versions":["1:2.24-9","1:2.24-12"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"libcap2","binary_version":"1:2.24-12ubuntu0.1~esm1"},{"binary_name":"libcap2-bin","binary_version":"1:2.24-12ubuntu0.1~esm1"},{"binary_name":"libpam-cap","binary_version":"1:2.24-12ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6166-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2023-2603"}]}}},{"package":{"name":"libcap2","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libcap2?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.25-1.2ubuntu0.1~esm1"}]}],"versions":["1:2.25-1.1","1:2.25-1.2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"libcap2","binary_version":"1:2.25-1.2ubuntu0.1~esm1"},{"binary_name":"libcap2-bin","binary_version":"1:2.25-1.2ubuntu0.1~esm1"},{"binary_name":"libpam-cap","binary_version":"1:2.25-1.2ubuntu0.1~esm1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-2603"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6166-2.json"}}],"schema_version":"1.7.5"}