CVE-2026-111155

Description

libTiMidity through 0.2.8 contains a heap out-of-bounds read vulnerability in the SoundFont loader in src/sndfont.c that uses unvalidated sampleId and instrument generator values as table indices. Attackers can supply a crafted .sf2 file loaded through mid_set_soundfont() to read heap memory out of bounds and crash the application.

References

• https://github.com/sezero/libtimidity
• https://github.com/sezero/libtimidity/blob/a52adf6aee2635e2a16797213a089c2180e67757/src/sndfont.c#L578-L590
• https://hackmd.io/@haind-pwn/libtimidity-soundfont-generator-oper-oob-write
• https://www.vulncheck.com/advisories/libtimidity-through-0.2.8-out-of-bounds-read-via-soundfont-loader-sndfont-c