Missing Release of Resource after Effective Lifetime Affecting golang.org/x/crypto/ssh package, versions <0.52.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GOLANGORGXCRYPTOSSH-16795342
- published22 May 2026
- disclosed22 May 2026
- creditZiyan Zhou
Introduced: 22 May 2026
CVE-2026-39827 (opens in a new tab)How to fix?
Upgrade golang.org/x/crypto/ssh to version 0.52.0 or higher.
Overview
golang.org/x/crypto/ssh is a SSH client and server
Affected versions of this package are vulnerable to Missing Release of Resource after Effective Lifetime through the repeated opening of channels by an authenticated SSH client that are subsequently rejected by the server. An attacker can cause unbounded memory growth and crash the server process by continuously triggering channel rejections.