Description
ValleyBell libvgm through commit a6eed945 contains a heap out-of-bounds read vulnerability in the PCM data-block decompressor caused by an unbounded compression-table index. Attackers can supply a crafted .vgm file with a small type 0x7F table and wider compressed values, causing DecompressDataBlk to over-read heap memory and crash consumers.
Published: 2026-10-15
Score: 6.8 Medium
EPSS: n/a
KEV: No
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Remediation

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Advisories

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History

Thu, 15 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
Description ValleyBell libvgm through commit a6eed945 contains a heap out-of-bounds read vulnerability in the PCM data-block decompressor caused by an unbounded compression-table index. Attackers can supply a crafted .vgm file with a small type 0x7F table and wider compressed values, causing DecompressDataBlk to over-read heap memory and crash consumers.
Title ValleyBell libvgm through commit a6eed945 Heap Out-of-Bounds Read via DecompressDataBlk
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-15T18:57:39.493Z

Reserved: 2026-10-15T17:03:59.914Z

Link: CVE-2026-111150

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-15T19:17:29.650

Modified: 2026-10-15T19:17:29.650

Link: CVE-2026-111150

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses