Is CVE-2026-111150 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-111150?

CVE-2026-111150 has a CVSS v3 severity of MEDIUM (5.5).

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CVE-2026-111150

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.