CVE-2025-61728: Excessive CPU consumption when building archive index in archive/zip

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Jan

Released

2026-09-03

Last Updated

2026-09-07

EPSS Score

0.67% (percentile: 49.6%)

Affected Products (1)

Other

• 21778-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-03: Information published.
• 2026-09-07: Information published.