{"id":"UBUNTU-CVE-2023-52339","details":"In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or writing. It may result in buffer overflows.","modified":"2026-09-10T21:30:17.200438766Z","published":"2024-01-12T02:15:00Z","related":["USN-8746-1"],"upstream":["CVE-2023-52339"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-52339"},{"type":"REPORT","url":"https://github.com/Matroska-Org/libebml/issues/147"},{"type":"REPORT","url":"https://github.com/Matroska-Org/libebml/pull/148"},{"type":"REPORT","url":"https://github.com/Matroska-Org/libebml/commit/4d577f5c3e267b2988d56dafebc82dedb4c45506"},{"type":"REPORT","url":"https://github.com/Matroska-Org/libebml/blob/v1.x/NEWS.md"},{"type":"REPORT","url":"https://github.com/Matroska-Org/libebml/compare/release-1.4.4...release-1.4.5"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-52339"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8746-1"}],"affected":[{"package":{"name":"libebml","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libebml?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3-1ubuntu0.1+esm1"}]}],"versions":["1.3.1-5","1.3.3-1","1.3.3-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.3.3-1ubuntu0.1+esm1","binary_name":"libebml4v5"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-52339.json"}},{"package":{"name":"libebml","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libebml?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5-2ubuntu0.1+esm1"}]}],"versions":["1.3.4-2","1.3.5-2","1.3.5-2ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.3.5-2ubuntu0.1+esm1","binary_name":"libebml4v5"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-52339.json"}},{"package":{"name":"libebml","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libebml?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.10-1ubuntu0.1~esm1"}]}],"versions":["1.3.9-2","1.3.10-1","1.3.10-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libebml4v5","binary_version":"1.3.10-1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-52339.json"}},{"package":{"name":"libebml","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/libebml?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-2ubuntu0.1~esm1"}]}],"versions":["1.4.2-1","1.4.2-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libebml5","binary_version":"1.4.2-2ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-52339.json"}}],"schema_version":"1.9.0","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":"medium"}]}