CVE-2023-45682 Information

Description

stb_vorbis is a single file MIT licensed library for processing ogg vorbis files. A crafted file may trigger out of bounds read in DECODE macro when var is negative. As it can be seen in the definition of DECODE_RAW a negative var is a valid value. This issue may be used to leak internal memory allocation information.

Reference

https://github.com/nothings/stb/blob/5736b15f7ea0ffb08dd38af21067c314d6a3aae9/stb_vorbis.c#L1717-L1729 https://securitylab.github.com/advisories/GHSL-2023-145_GHSL-2023-151_stb_image_h/ https://github.com/nothings/stb/blob/5736b15f7ea0ffb08dd38af21067c314d6a3aae9/stb_vorbis.c#L1754-L1756 https://github.com/nothings/stb/blob/5736b15f7ea0ffb08dd38af21067c314d6a3aae9/stb_vorbis.c#L3231