CVE-2026-111150mediumCWE-125

CVE-2026-111150: medium-severity vulnerability in ValleyBell libvgm

ValleyBell libvgm through commit a6eed945 Heap Out-of-Bounds Read via DecompressDataBlk

Published · Updated

Follow this CVE+ Monitor libvgm

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 6.8epss 0.1%
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.
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
Affected products
ValleyBell · libvgm
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.