CVE-2025-48172

Published
View on NVD ↗
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.

Library for reading Microsoft ITSS/CHM format files.
GitHubGitHub
267
SumatraPDF reader
GitHubGitHub
16.8K