CVE-2025-48172
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-48172
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-48172.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-48172
- Published
- 2025-07-04T13:15:25Z
- Modified
- 2025-07-08T16:57:53.843493Z
- Summary
- [none]
- Details
-
CHMLib through 2bef8d0, as used in SumatraPDF and other products, has a chmlib.c _chmdecompressblock integer overflow. There is a resultant heap-based buffer overflow in _chmfetch_bytes.
- References
-
- https://github.com/sumatrapdfreader/sumatrapdf/commit/08179946a745cf1605e4b9670942ec1a6e1f4c5d
- https://drive.google.com/file/d/1XpulFyCGlq7Szzg5RsH-eRwZ6OyuSozl/view?usp=sharing
- https://drive.google.com/file/d/1wq51px42eoJz2VQ1Qu9ObPVQVom9T9H_/view?usp=sharing
- https://github.com/jedwing/CHMLib/blob/2bef8d063ec7d88a8de6fd9f0513ea42ac0fa21f/src/chm_lib.c#L1386