{"id":"UBUNTU-CVE-2020-21723","details":"A Segmentation Fault issue discovered StreamSerializer::extractStreams function in streamSerializer.cpp in oggvideotools 0.9.1 allows remote attackers to cause a denial of service (crash) via opening of crafted ogg file.","modified":"2026-05-20T16:06:22.169114416Z","published":"2023-08-22T19:16:00Z","upstream":["CVE-2020-21723"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-21723"},{"type":"REPORT","url":"https://sourceforge.net/p/oggvideotools/bugs/10/"},{"type":"REPORT","url":"https://github.com/xiaoxiongwang/security/tree/master/oggvideotools#segv-occurs-in-function-streamserializerextractstreams-in-streamserializercpp"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-21723"}],"affected":[{"package":{"name":"oggvideotools","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/oggvideotools?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8a-4","0.8a-7"],"ecosystem_specific":{"binaries":[{"binary_name":"oggvideotools","binary_version":"0.8a-7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-21723.json"}},{"package":{"name":"oggvideotools","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/oggvideotools?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.1-4"],"ecosystem_specific":{"binaries":[{"binary_name":"oggvideotools","binary_version":"0.9.1-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-21723.json"}},{"package":{"name":"oggvideotools","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/oggvideotools?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.1-5","0.9.1-5build1"],"ecosystem_specific":{"binaries":[{"binary_name":"oggvideotools","binary_version":"0.9.1-5build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-21723.json"}},{"package":{"name":"oggvideotools","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/oggvideotools?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.1-5.1","0.9.1-6"],"ecosystem_specific":{"binaries":[{"binary_name":"oggvideotools","binary_version":"0.9.1-6"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-21723.json"}},{"package":{"name":"oggvideotools","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/oggvideotools?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.1-6"],"ecosystem_specific":{"binaries":[{"binary_name":"oggvideotools","binary_version":"0.9.1-6"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-21723.json"}},{"package":{"name":"oggvideotools","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/oggvideotools?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.1-7"],"ecosystem_specific":{"binaries":[{"binary_name":"oggvideotools","binary_version":"0.9.1-7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-21723.json"}},{"package":{"name":"oggvideotools","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/oggvideotools?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.1-7","0.9.1-7build1","0.9.1-7.1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.9.1-7.1","binary_name":"oggvideotools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-21723.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}