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CVE-2021-40426

Date: April 14, 2022

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.

Severity Score

Related Resources (9)

https://security-tracker.debian.org/tracker/CVE-2021-40426
https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-40426
https://access.redhat.com/security/cve/CVE-2021-40426
http://www.openwall.com/lists/oss-security/2023/02/03/3
https://www.debian.org/security/2023/dsa-5356
https://nvd.nist.gov/vuln/detail/CVE-2021-40426
https://www.mend.io/vulnerability-database/CVE-2021-40426

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Heap-based Buffer Overflow

CWE-122

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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