Vulnerability in Libsndfile
CVE-2026-109828
A vulnerability was found in libsndfile up to 1.2.2. This issue affects the function wavlike_subchunk_parse of the file src/wavlike.c of the component WAV Parsing. Performing a manipulation results in use of uninitialized variable. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Libsndfile — versions 1.2.0, 1.2.1, 1.2.2
Weakness classification (CWE)
References
- vuldb.com/vuln/417466 (technical-description, vdb-entry)
- vuldb.com/vuln/417466/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-109828 (third-party-advisory)
- vuldb.com/submit/1002209 (third-party-advisory)
- github.com/libsndfile/libsndfile/issues/1169 (issue-tracking, exploit)
- github.com/libsndfile/libsndfile/ (product)
Frequently asked questions
- What is CVE-2026-109828?
- CVE-2026-109828 is a medium-severity vulnerability in Libsndfile, classified under CWE-453. CVSS score: 4.3/10. Published 2026-10-13.
- How severe is CVE-2026-109828?
- Medium severity. CVSS v3 base score is 4.3 out of 10.