CVE-2021-40426

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.

• CWE-122
• CWE-787

• http://www.openwall.com/lists/oss-security/2023/02/03/3
• https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434Exploit, Third Party Advisory
• https://www.debian.org/security/2023/dsa-5356
• http://www.openwall.com/lists/oss-security/2023/02/03/3
• https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434Exploit, Third Party Advisory
• https://www.debian.org/security/2023/dsa-5356

Published

Apr 14, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2021-4042Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
• CVE-2021-40420A use-after-free vulnerability exists in the JavaScript engi…8.8
• CVE-2021-40422An authentication bypass vulnerability exists in the device …10
• CVE-2021-40423A denial of service vulnerability exists in the cgiserver.cg…7.5
• CVE-2021-40424An out-of-bounds read vulnerability exists in the IOCTL GetP…6.5
• CVE-2021-40425An out-of-bounds read vulnerability exists in the IOCTL GetP…6.5
• CVE-2021-4043NULL Pointer Dereference in GitHub repository gpac/gpac prio…5.5
• CVE-2021-40438A crafted request uri-path can cause mod_proxy to forward th…9
• CVE-2021-40439Apache OpenOffice has a dependency on expat software. Versio…6.5
• CVE-2021-4044Internally libssl in OpenSSL calls X509_verify_cert() on the…7.5
• CVE-2021-40440Microsoft Dynamics Business Central Cross-site Scripting Vul…5.4
• CVE-2021-40441Windows Media Center Elevation of Privilege Vulnerability7.8