Bug 2550711 (CVE-2026-109828)

Summary:	CVE-2026-109828 libsndfile: libsndfile: Information disclosure via uninitialized variable use in WAV parsing
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	bbrownin, rhel-process-autobot, watson-tool-maintainers
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Doc Text:	A flaw was found in libsndfile. A remote attacker could exploit this vulnerability by enticing a user or application to process a specially crafted WAV audio file, triggering the use of an uninitialized variable during subchunk parsing. This issue may allow an attacker to read uninitialized memory contents, resulting in unauthorized information disclosure.	Story Points:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2552389
Bug Blocks:

Description OSIDB Bzimport 2026-10-13 17:29:45 UTC

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.