{"id":"UBUNTU-CVE-2020-18899","details":"An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) function of Exiv2 0.27 allows attackers to cause a denial of service (DOS) via a crafted input.","modified":"2026-04-22T14:09:47.240873Z","published":"2021-08-19T22:15:00Z","related":["USN-8103-1"],"upstream":["CVE-2020-18899"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-18899"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-18899"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8103-1"}],"affected":[{"package":{"name":"exiv2","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/exiv2@0.25-2.1ubuntu16.04.7+esm5?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.25-2.1ubuntu16.04.7+esm5"}]}],"versions":["0.25-1ubuntu1","0.25-2.1","0.25-2.1ubuntu16.04.1","0.25-2.1ubuntu16.04.2","0.25-2.1ubuntu16.04.3","0.25-2.1ubuntu16.04.4","0.25-2.1ubuntu16.04.5","0.25-2.1ubuntu16.04.6","0.25-2.1ubuntu16.04.7+esm1","0.25-2.1ubuntu16.04.7+esm2","0.25-2.1ubuntu16.04.7+esm3","0.25-2.1ubuntu16.04.7+esm4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"exiv2","binary_version":"0.25-2.1ubuntu16.04.7+esm5"},{"binary_version":"0.25-2.1ubuntu16.04.7+esm5","binary_name":"libexiv2-14"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-18899.json"}},{"package":{"name":"exiv2","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/exiv2@0.25-3.1ubuntu0.18.04.11+esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.25-3.1ubuntu0.18.04.11+esm1"}]}],"versions":["0.25-3.1","0.25-3.1ubuntu0.18.04.1","0.25-3.1ubuntu0.18.04.2","0.25-3.1ubuntu0.18.04.3","0.25-3.1ubuntu0.18.04.4","0.25-3.1ubuntu0.18.04.5","0.25-3.1ubuntu0.18.04.7","0.25-3.1ubuntu0.18.04.9","0.25-3.1ubuntu0.18.04.10","0.25-3.1ubuntu0.18.04.11"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"exiv2","binary_version":"0.25-3.1ubuntu0.18.04.11+esm1"},{"binary_name":"libexiv2-14","binary_version":"0.25-3.1ubuntu0.18.04.11+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-18899.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}