CVE-2026-109828: libsndfile WAV Parsing wavlike.c wavlike_subchunk_parse uninitialized variable

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-13 · updated 2026-10-13
Weakness: CWE-453

Description

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.

Affected products

libsndfile: 1.2.0, 1.2.1, 1.2.2

References

https://github.com/libsndfile/libsndfile/
https://github.com/libsndfile/libsndfile/issues/1169
https://vuldb.com/cve/CVE-2026-109828
https://vuldb.com/submit/1002209
https://vuldb.com/vuln/417466
https://vuldb.com/vuln/417466/cti

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