
Find real vulnerabilities before they ship
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.
Base Score
5.6| Base Score | 5.6 |
|---|---|
| Vector String | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L |
| Base Severity | Medium |
| Version | 3.1 |
| Attack Vector (AV) | LOCAL |