{"id":"UBUNTU-CVE-2021-40426","details":"A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound Exchange libsox 14.4.2 and master commit 42b3557e. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.","modified":"2026-04-22T13:01:10.909795Z","published":"2022-04-14T20:15:00Z","related":["USN-5904-1"],"upstream":["CVE-2021-40426"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-40426"},{"type":"REPORT","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5904-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-40426"}],"affected":[{"package":{"name":"sox","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/sox@14.4.1-3ubuntu1.1+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"14.4.1-3ubuntu1.1+esm2"}]}],"versions":["14.4.1-3","14.4.1-3ubuntu1","14.4.1-3ubuntu1.1","14.4.1-3ubuntu1.1+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): 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with Ubuntu Pro: 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