CVE-2026-89266: Out-of-bounds Write in nothings stb_vorbis
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.
CVE-2026-89266: Out-of-bounds Write in nothings stb_vorbis
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.
CVSS v4.0
Score 8.8high
Affected software
nothings
stb_vorbis
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Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-11T10:52:56.669Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa48f7855bf5e2cf594c59f
Added to database: 09/11/2026, 23:32:08 UTC
Last updated: 09/11/2026, 23:32:08 UTC
Views: 1
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