NULL Pointer Dereference Affecting github.com/free5gc/smf/internal/sbi/processor package, versions <1.4.2


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.53% (41st percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMFREE5GCSMFINTERNALSBIPROCESSOR-15248421
  • published8 Feb 2026
  • disclosed6 Feb 2026
  • creditLinZiyu

Introduced: 6 Feb 2026

CVE-2026-1976  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade github.com/free5gc/smf/internal/sbi/processor to version 1.4.2 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference via the SessionDeletionResponse function of the SMF component. An attacker can cause a denial of service by sending specially crafted requests that trigger a null pointer dereference remotely.

CVSS Base Scores

version 4.0
version 3.1