What’s Vulnerable › Vulnerabilities

CVE-2026-111155: libTiMidity through 0.2.8 Out-of-Bounds Read via SoundFont Loader sndfont.c

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-15 · updated 2026-10-21
• Weakness: CWE-125

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.

Affected products

• sezero libtimidity: from 0.2.8 through 0.2.8

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

Get alerted when CVE-2026-111155 or the next vulnerability affects your stack