{"id":"UBUNTU-CVE-2018-20030","details":"An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.","modified":"2026-02-04T02:45:55.862602Z","published":"2019-02-20T17:29:00Z","related":["USN-4358-1"],"upstream":["CVE-2018-20030"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-20030"},{"type":"REPORT","url":"https://secuniaresearch.flexerasoftware.com/secunia_research/2018-28/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4358-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-20030"}],"affected":[{"package":{"name":"libexif","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libexif@0.6.21-1ubuntu1+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.21-1ubuntu1+esm2"}]}],"versions":["0.6.21-1","0.6.21-1ubuntu1","0.6.21-1ubuntu1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libexif-dev","binary_version":"0.6.21-1ubuntu1+esm2"},{"binary_name":"libexif12","binary_version":"0.6.21-1ubuntu1+esm2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20030.json"}},{"package":{"name":"libexif","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libexif@0.6.21-2ubuntu0.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.21-2ubuntu0.2"}]}],"versions":["0.6.21-2","0.6.21-2ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libexif-dev","binary_version":"0.6.21-2ubuntu0.2"},{"binary_name":"libexif12","binary_version":"0.6.21-2ubuntu0.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20030.json"}},{"package":{"name":"libexif","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libexif@0.6.21-4ubuntu0.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.21-4ubuntu0.2"}]}],"versions":["0.6.21-2.1","0.6.21-4","0.6.21-4ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libexif-dev","binary_version":"0.6.21-4ubuntu0.2"},{"binary_name":"libexif12","binary_version":"0.6.21-4ubuntu0.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20030.json"}}],"schema_version":"1.7.3","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":"low"}]}