CVE-2021-3246
libsndfile: Heap buffer overflow via crafted WAV file allows arbitrary code execution
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 20, 2021
Updated · November 22, 2025
Description
A heap buffer overflow flaw was found in libsndfile. This flaw allows an attacker to execute arbitrary code via a crafted WAV file. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
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 · 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer