🛡️ CVE-2021-23159 on Debian — sox

⚪ Unknown ✅ No Known Exploit OSV

N/A

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

A vulnerability was found in SoX, where a heap-buffer-overflow occurs in function lsx_read_w_buf() in formats_i.c file. The vulnerability is exploitable with a crafted file, that could cause an application to crash.

Distribution advisory

This page covers CVE-2021-23159 as tracked by Debian, for the package sox. The fix is available in version 14.4.2+git20190427-3.2; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

DEBIAN-CVE-2021-23159 is recorded against 1 package.

sox (fixed in 14.4.2+git20190427-3.2)

Timeline and source

Published on 25 August 2022 and last revised on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

security-tracker.debian.org (Advisory)

CVE-2021-23159 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Ubuntu

Details

Severity Unknown

CVSS Score N/A

CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2022-08-25

Updated 2026-08-12

Modified 2026-08-04

Fix URL N/A

Affected Packages

Software	From version	Fixed in
sox	—	14.4.2+git20190427-3.2

References

ADVISORY https://security-tracker.debian.org/tracker/CVE-2021-23159

🔗 NVD 🔗 Mitre

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