CVE-2026-39827: Invoking memory leak when rejecting channels can lead to DoS in golang.org/x/crypto/ssh

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-May

Released

2026-05-27

Last Updated

2026-07-07

EPSS Score

0.20% (percentile: 9.5%)

Affected Products (23)

Other

• 20984-17084
• 20985-17084
• 21271-17084
• 21272-17084
• 21278-17084
• 21256-17084
• 21299-17084
• 17793-17084
• 21274-17084
• 20433-17084
• 20966-17084
• 21409-17084
• 21378-17084
• 21481-17084
• 21402-17084
• 21408-17084
• 21399-17084
• 21418-17084
• 21395-17084
• 21505-17084
• 21503-17084
• 21555-17084

Open Source Software

• azl3 telegraf 1.31.0-19 on Azure Linux 3.0

Revision History

• 2026-05-27: Information published.
• 2026-05-28: Information published.
• 2026-05-30: Information published.
• 2026-05-30: Information published.
• 2026-05-31: Information published.
• 2026-06-02: Information published.
• 2026-06-02: Information published.
• 2026-06-03: Information published.
• 2026-06-04: Information published.
• 2026-06-05: Information published.
• 2026-06-09: Information published.
• 2026-06-28: Information published.
• 2026-07-07: Information published.