CVE-2023-45678: Nothings Stb Vorbis.c

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

stb_vorbis is a single file MIT licensed library for processing ogg vorbis files. A crafted file may trigger out of buffer write in `start_decoder` because at maximum `m->submaps` can be 16 but `submap_floor` and `submap_residue` are declared as arrays of 15 elements. This issue may lead to code execution.

Affected products

• Nothings Stb Vorbis.c: version 1.22 only

Published 2023-10-21. Last modified 2026-06-17.