A AegiFlow
CRITICALCVSS 9.1EPSS 0.6%

CVE-2026-39830

CVE-2026-39830 updated by NVD

Published
2026-06-25
Modified
2026-07-31
EPSS percentile
46%
Sources
github-advisory, nvd

Summary

A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.

Affected packages

EcosystemPackageAffected versionsFixed versions
Gogolang.org/x/crypto0.52.0

Remediation: Upgrade to 0.52.0 or later.

References

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.

EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.