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CVE-2021-23159

sox: heap based overflow in formats_i.c

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Severity

Low

Red Hat Product Security

4

CVSS 3.1

Review impact separately from score.

Published · April 20, 2021

Updated · November 21, 2025

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')