CVE-2015-4467: Libmspack Project Libmspack

Medium severity, CVSS 4.3. EPSS: 1.4% chance of exploitation in the next 30 days.

The chmd_init_decomp function in chmd.c in libmspack before 0.5 does not properly validate the reset interval, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted CHM file.

Affected products

• Libmspack Project Libmspack: up to and including 0.4-3

Published 2015-06-11. Last modified 2026-06-17.