CVE-2025-48172 | CHMLib up to 2bef8d063ec7d88a8de6fd9f0513ea42ac0fa21f chm_lib.c _chm_decompress_block integer overflow

A vulnerability was found in CHMLib up to 2bef8d063ec7d88a8de6fd9f0513ea42ac0fa21f. It has been rated as problematic. Affected by this issue is the function _chm_decompress_block of the file chm_lib.c. The manipulation leads to integer overflow.

This vulnerability is handled as CVE-2025-48172. Attacking locally is a requirement. There is no exploit available.

It is recommended to apply a patch to fix this issue.