CVE-2026-70453: rsync < 3.5.0 Algorithmic Complexity DoS via hash_search()

Overview

Severity

High (CVSS 7.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-23

EPSS Score

0.53% (percentile: 42.3%)

Affected Products (1)

Other

• 21597-17084

Revision History

• 2026-08-23: Information published.