{"id":"USN-6584-2","summary":"libspf2 vulnerabilities","details":"USN-6584-1 fixed several vulnerabilities in Ubuntu 18.04 LTS and\nUbuntu 20.04 LTS. This update provides the corresponding updates for\nCVE-2021-33912 and CVE-2021-33913 in Ubuntu 16.04 LTS.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Philipp Jeitner and Haya Shulman discovered that Libspf2 incorrectly handled\n certain inputs. If a user or an automated system were tricked into opening a\n specially crafted input file, a remote attacker could possibly use this issue\n to cause a denial of service or execute arbitrary code. (CVE-2021-20314)\n \n It was discovered that Libspf2 incorrectly handled certain inputs. If a user or\n an automated system were tricked into opening a specially crafted input file, a\n remote attacker could possibly use this issue to cause a denial of service or\n execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and \n Ubuntu 20.04 LTS. (CVE-2021-33912, CVE-2021-33913)\n","modified":"2026-02-10T04:43:28Z","published":"2024-02-21T10:40:23Z","related":["UBUNTU-CVE-2021-33912","UBUNTU-CVE-2021-33913"],"upstream":["CVE-2021-33912","CVE-2021-33913","UBUNTU-CVE-2021-33912","UBUNTU-CVE-2021-33913"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6584-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33912"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33913"}],"affected":[{"package":{"name":"libspf2","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libspf2@1.2.10-6ubuntu0.1~esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.10-6ubuntu0.1~esm2"}]}],"versions":["1.2.10-6","1.2.10-6build1","1.2.10-6ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libmail-spf-xs-perl","binary_version":"1.2.10-6ubuntu0.1~esm2"},{"binary_name":"libspf2-2","binary_version":"1.2.10-6ubuntu0.1~esm2"},{"binary_name":"libspf2-dev","binary_version":"1.2.10-6ubuntu0.1~esm2"},{"binary_name":"spfquery","binary_version":"1.2.10-6ubuntu0.1~esm2"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6584-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2021-33912","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":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-33913","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":"medium","type":"Ubuntu"}]}]}}}],"schema_version":"1.7.3"}