{"id":"UBUNTU-CVE-2020-23904","details":"A stack buffer overflow in speexenc.c of Speex v1.2 allows attackers to cause a denial of service (DoS) via a crafted WAV file. NOTE: the vendor states \"I cannot reproduce it\" and it \"is a demo program.","modified":"2026-04-22T12:35:25.854455Z","published":"2021-11-10T22:15:00Z","upstream":["CVE-2020-23904"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-23904"},{"type":"REPORT","url":"https://github.com/xiph/speex/issues/14"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-23904"}],"affected":[{"package":{"name":"speex","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/speex@1.2~rc1.2-1ubuntu1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2~rc1.2-1ubuntu1","1.2~rc1.2-1ubuntu1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libspeex1","binary_version":"1.2~rc1.2-1ubuntu1+esm1"},{"binary_name":"libspeexdsp1","binary_version":"1.2~rc1.2-1ubuntu1+esm1"},{"binary_name":"speex","binary_version":"1.2~rc1.2-1ubuntu1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23904.json"}},{"package":{"name":"speex","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/speex@1.2~rc1.2-1ubuntu2.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2~rc1.2-1ubuntu1","1.2~rc1.2-1ubuntu2","1.2~rc1.2-1ubuntu2.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libspeex1","binary_version":"1.2~rc1.2-1ubuntu2.1"},{"binary_name":"libspeexdsp1","binary_version":"1.2~rc1.2-1ubuntu2.1"},{"binary_name":"speex","binary_version":"1.2~rc1.2-1ubuntu2.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23904.json"}},{"package":{"name":"speex","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/speex@1.2~rc1.2-1.1ubuntu1.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2~rc1.2-1ubuntu2","1.2~rc1.2-1.1ubuntu1","1.2~rc1.2-1.1ubuntu1.20.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libspeex1","binary_version":"1.2~rc1.2-1.1ubuntu1.20.04.1"},{"binary_name":"libspeexdsp1","binary_version":"1.2~rc1.2-1.1ubuntu1.20.04.1"},{"binary_name":"speex","binary_version":"1.2~rc1.2-1.1ubuntu1.20.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23904.json"}},{"package":{"name":"speex","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/speex@1.2~rc1.2-1.1ubuntu3?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2~rc1.2-1.1ubuntu1","1.2~rc1.2-1.1ubuntu2","1.2~rc1.2-1.1ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_name":"libspeex1","binary_version":"1.2~rc1.2-1.1ubuntu3"},{"binary_name":"libspeexdsp1","binary_version":"1.2~rc1.2-1.1ubuntu3"},{"binary_version":"1.2~rc1.2-1.1ubuntu3","binary_name":"speex"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23904.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"}]}