CVE-2026-58050: libssh2 - Integer Overflow in publickey Subsystem Attribute Allocation

Overview

Severity

High (CVSS 7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jun

Released

2026-06-29

EPSS Score

0.31% (percentile: 22.8%)

Affected Products (2)

Other

• 21431-17084
• 21485-17084

Revision History

• 2026-06-29: Information published.