CVE-2026-89266

High

Description

stb_vorbis through 1.22 contains a heap buffer overflow in start_decoder() where the codebook multiplicands allocation size is truncated from size_t to int. Attackers can craft a malicious Ogg Vorbis file with large entries and dimensions values to trigger out-of-bounds writes, causing process crashes or heap corruption.

SeverityHigh
CVSS8.2
Exploit probability—
ProductNothings Stb Vorbis
PublishedSep 12, 2026
First seenSep 12, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
nothings stb_vorbisv ≤ 1.22—

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