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.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Oct 15, 2026 · NIST NVD

   Detected

   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.

Sources

• CVE.orgVulnerability recordCVE-2026-111150

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-111150

  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

  nvd.nist.gov

References

• Reference · github.com
• Reference · github.com
• Reference · github.com
• Reference · hackmd.io
• Reference · vulncheck.com