CVE-2025-48172
Published
CVSS v3
5.6
MEDIUM
CVSS v2
N/A
Affected
2
PROJECTS
Description
CHMLib through 2bef8d0, as used in SumatraPDF and other products, has a chm_lib.c _chm_decompress_block integer overflow. There is a resultant heap-based buffer overflow in _chm_fetch_bytes.