CVE-2025-61728
archive/zip uses a super-linear file name indexing algorithm that is invoked the first time a file in an archive is opened. This can lead to a denial of service when consuming a maliciously constructed ZIP archive.
- Published Jan 28, 2026
- CVSS 6.5 medium
- 0.7% chance of exploitation in the next 30 days (EPSS)
- Public exploit code is available
- A fix is available