NULL Pointer Dereference Affecting github.com/bishopfox/sliver/server/handlers package, versions <1.7.4


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept

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  • Snyk IDSNYK-GOLANG-GITHUBCOMBISHOPFOXSLIVERSERVERHANDLERS-15825727
  • published30 Mar 2026
  • disclosed29 Mar 2026
  • creditVarshankNaik

Introduced: 29 Mar 2026

CVE NOT AVAILABLE CWE-476  (opens in a new tab)

How to fix?

Upgrade github.com/bishopfox/sliver/server/handlers to version 1.7.4 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference through the tunnelCloseHandler process. An attacker can cause repeated handler goroutine panics and resource leaks by attempting to close a reverse tunnel when the tunnel reference is nil.

CVSS Base Scores

version 4.0
version 3.1