CVE-2026-58051: libssh2 - Free of Uninitialized Pointer in publickey List Cleanup

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jun

Released

2026-06-29

Last Updated

2026-08-12

EPSS Score

0.44% (percentile: 36.4%)

Affected Products (5)

Other

• 20881-17084
• 21559-17084
• 21704-17084
• 21431-17084
• 21485-17084

Revision History

• 2026-06-29: Information published.
• 2026-06-29: Information published.
• 2026-07-01: Information published.
• 2026-07-03: Information published.
• 2026-07-06: Information published.
• 2026-08-12: Information published.