CVE-2026-111271: libmodplug 0 through 0.8.9.1

Affected technology

libmodplug · 0 through 0.8.9.1
Konstanty Bialkowski

Description’s affected range: through 0.8.9.1

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Local · No privileges required · Passive user interaction

What an attacker can do

Attackers can supply an AMS module whose pattern effect bytes keep bit 7 set, driving the decoder past the input buffer and crashing any libmodplug consumer. Vendor/CNA’s CVSS 4.0 assessment (base score 6.8/10) rates confidentiality and integrity impact as none; availability impact as high.