CVE-2026-70458: rsync 3.0.0 < 3.5.0 Out-of-Bounds Write via FLAG_HLINKED Handling

Overview

Severity
High (CVSS 8.2)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Aug
Released
2026-08-23
EPSS Score
0.40% (percentile: 33.0%)

Affected Products (1)

Other

  • 21597-17084

Revision History

  • 2026-08-23: Information published.