{"id":"UBUNTU-CVE-2021-46312","details":"An issue was discovered IW44EncodeCodec.cpp in djvulibre 3.5.28 in allows attackers to cause a denial of service via divide by zero.","modified":"2026-04-22T13:04:39.247604Z","published":"2023-08-22T19:16:00Z","related":["USN-8054-1"],"upstream":["CVE-2021-46312"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-46312"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-46312"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8054-1"}],"affected":[{"package":{"name":"djvulibre","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/djvulibre@3.5.27.1-5ubuntu0.1+esm3?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.27.1-5ubuntu0.1+esm3"}]}],"versions":["3.5.27.1-3","3.5.27.1-4","3.5.27.1-5","3.5.27.1-5ubuntu0.1","3.5.27.1-5ubuntu0.1+esm1","3.5.27.1-5ubuntu0.1+esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"djview","binary_version":"3.5.27.1-5ubuntu0.1+esm3"},{"binary_name":"djview3","binary_version":"3.5.27.1-5ubuntu0.1+esm3"},{"binary_name":"djvulibre-bin","binary_version":"3.5.27.1-5ubuntu0.1+esm3"},{"binary_name":"djvulibre-desktop","binary_version":"3.5.27.1-5ubuntu0.1+esm3"},{"binary_name":"djvuserve","binary_version":"3.5.27.1-5ubuntu0.1+esm3"},{"binary_name":"libdjvulibre-text","binary_version":"3.5.27.1-5ubuntu0.1+esm3"},{"binary_name":"libdjvulibre21","binary_version":"3.5.27.1-5ubuntu0.1+esm3"}],"priority_reason":"Only a crash in an image parser"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46312.json"}},{"package":{"name":"djvulibre","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/djvulibre@3.5.27.1-8ubuntu0.4+esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.27.1-8ubuntu0.4+esm1"}]}],"versions":["3.5.27.1-7","3.5.27.1-8","3.5.27.1-8ubuntu0.1","3.5.27.1-8ubuntu0.2","3.5.27.1-8ubuntu0.3","3.5.27.1-8ubuntu0.4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"djview","binary_version":"3.5.27.1-8ubuntu0.4+esm1"},{"binary_name":"djview3","binary_version":"3.5.27.1-8ubuntu0.4+esm1"},{"binary_name":"djvulibre-bin","binary_version":"3.5.27.1-8ubuntu0.4+esm1"},{"binary_name":"djvulibre-desktop","binary_version":"3.5.27.1-8ubuntu0.4+esm1"},{"binary_name":"djvuserve","binary_version":"3.5.27.1-8ubuntu0.4+esm1"},{"binary_name":"libdjvulibre-text","binary_version":"3.5.27.1-8ubuntu0.4+esm1"},{"binary_name":"libdjvulibre21","binary_version":"3.5.27.1-8ubuntu0.4+esm1"}],"priority_reason":"Only a crash in an image parser"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46312.json"}},{"package":{"name":"djvulibre","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/djvulibre@3.5.27.1-14ubuntu0.1+esm1?arch=source&distro=esm-infra/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.27.1-14ubuntu0.1+esm1"}]}],"versions":["3.5.27.1-13","3.5.27.1-13ubuntu1","3.5.27.1-14","3.5.27.1-14build1","3.5.27.1-14ubuntu0.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"djview","binary_version":"3.5.27.1-14ubuntu0.1+esm1"},{"binary_name":"djview3","binary_version":"3.5.27.1-14ubuntu0.1+esm1"},{"binary_name":"djvulibre-bin","binary_version":"3.5.27.1-14ubuntu0.1+esm1"},{"binary_name":"djvulibre-desktop","binary_version":"3.5.27.1-14ubuntu0.1+esm1"},{"binary_name":"djvuserve","binary_version":"3.5.27.1-14ubuntu0.1+esm1"},{"binary_name":"libdjvulibre-text","binary_version":"3.5.27.1-14ubuntu0.1+esm1"},{"binary_name":"libdjvulibre21","binary_version":"3.5.27.1-14ubuntu0.1+esm1"}],"priority_reason":"Only a crash in an image parser"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46312.json"}},{"package":{"name":"djvulibre","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/djvulibre@3.5.28-2ubuntu0.22.04.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.28-2ubuntu0.22.04.2"}]}],"versions":["3.5.28-2build1","3.5.28-2build2","3.5.28-2ubuntu0.22.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"djview","binary_version":"3.5.28-2ubuntu0.22.04.2"},{"binary_name":"djview3","binary_version":"3.5.28-2ubuntu0.22.04.2"},{"binary_name":"djvulibre-bin","binary_version":"3.5.28-2ubuntu0.22.04.2"},{"binary_version":"3.5.28-2ubuntu0.22.04.2","binary_name":"djvulibre-desktop"},{"binary_name":"djvuserve","binary_version":"3.5.28-2ubuntu0.22.04.2"},{"binary_name":"libdjvulibre-text","binary_version":"3.5.28-2ubuntu0.22.04.2"},{"binary_name":"libdjvulibre21","binary_version":"3.5.28-2ubuntu0.22.04.2"}],"priority_reason":"Only a crash in an image parser"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46312.json"}},{"package":{"name":"djvulibre","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/djvulibre@3.5.28-2ubuntu0.24.04.2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.28-2ubuntu0.24.04.2"}]}],"versions":["3.5.28-2build3","3.5.28-2build4","3.5.28-2ubuntu0.24.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"djview","binary_version":"3.5.28-2ubuntu0.24.04.2"},{"binary_name":"djview3","binary_version":"3.5.28-2ubuntu0.24.04.2"},{"binary_version":"3.5.28-2ubuntu0.24.04.2","binary_name":"djvulibre-bin"},{"binary_name":"djvulibre-desktop","binary_version":"3.5.28-2ubuntu0.24.04.2"},{"binary_name":"djvuserve","binary_version":"3.5.28-2ubuntu0.24.04.2"},{"binary_name":"libdjvulibre-text","binary_version":"3.5.28-2ubuntu0.24.04.2"},{"binary_name":"libdjvulibre21","binary_version":"3.5.28-2ubuntu0.24.04.2"}],"priority_reason":"Only a crash in an image parser"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46312.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":"Ubuntu","score":"low"}]}