CVE-2026-111150
CVE-2026-111150 · ValleyBell libvgm through commit a6eed945 Heap Out-of-Bounds Read via DecompressDataBlk
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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 6.8 · Medium · EPSS 0.1%
- Published
- Updated
Affected products and versions
libvgm
- Versions
- ≥ 0, ≤ a6eed945ecf4e5a25cf82004779c6f7e4fd5c319: Affected (git)
No fix published
Original sources
- https://hackmd.io/@haind-pwn/libvgm-pcm-compression-table-oob-read
- https://github.com/ValleyBell/libvgm/blob/a6eed945ecf4e5a25cf82004779c6f7e4fd5c319/player/dblk_compr.c#L727-L751
- https://github.com/ValleyBell/libvgm/blob/a6eed945ecf4e5a25cf82004779c6f7e4fd5c319/player/dblk_compr.c#L183-L190
- https://github.com/ValleyBell/libvgm
- https://www.vulncheck.com/advisories/valleybell-libvgm-through-commit-a6eed945-heap-out-of-bounds-read-via-decompressdatablk
- https://nvd.nist.gov/vuln/detail/CVE-2026-111150