stb_vorbis through 1.22 contains a heap buffer overflow in start_decoder() where the codebook multiplicands allocation size is truncated from size_t… (CVE-2026-89266)
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.
stb_vorbis through 1.22 contains a heap buffer overflow in start_decoder() where the codebook multiplicands allocation size is truncated from size_t… (CVE-2026-89266)
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 v3.1
Score 8.2high
Weaknesses
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-4hj2-h365-qx39
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-89266"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6aa4b38955bf5e2cf5baf6cc
Added to database: 09/12/2026, 02:06:01 UTC
Last updated: 09/12/2026, 02:06:01 UTC
Views: 1
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