Description (CNA)
zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| zlib / zlib | affected 0 before 1.3.2 |
CWE
CWE-1284
References
- https://github.com/madler/zlib/issues/904
- https://7asecurity.com/reports/pentest-report-zlib-RC1.1.pdf
- https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/
- https://ostif.org/zlib-audit-complete/
- https://github.com/madler/zlib/releases/tag/v1.3.2
ADP enrichment
No English description supplied.