CVE-2021-23159

medium

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

5.5

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.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-23159

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-23159.html

OS impact

OS	Version	Status	Fixed in
arch		affected
sles		affected
debian	bookworm	fixed	`14.4.2+git20190427-3.2`
debian	bullseye	fixed	`14.4.2+git20190427-2+deb11u1`
debian	trixie	fixed	`14.4.2+git20190427-3.2`

References

https://www.suse.com/security/cve/CVE-2021-23159.html
https://security-tracker.debian.org/tracker/CVE-2021-23159

Verify integrity in audit chain (admin only). AS-IS.