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CVE-2026-89266 – stb_vorbis through 1.22 heap buffer overflow via codebook multiplicands

Posted on September 12, 2026
CVE ID :CVE-2026-89266

Published : Sept. 12, 2026, 12:17 a.m. | 43 minutes ago

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.

Severity: 8.8 | HIGH

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