Uncontrolled Recursion Affecting github.com/ipld/go-ipld-prime/codec/dagjson package, versions <0.23.0


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.12% (3rd percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMIPLDGOIPLDPRIMECODECDAGJSON-17074659
  • published29 May 2026
  • disclosed27 May 2026
  • credityuliyu123

Introduced: 27 May 2026

CVE-2026-42328  (opens in a new tab)
CWE-674  (opens in a new tab)

How to fix?

Upgrade github.com/ipld/go-ipld-prime/codec/dagjson to version 0.23.0 or higher.

Overview

Affected versions of this package are vulnerable to Uncontrolled Recursion through the DAG-CBOR and DAG-JSON decoders. An attacker can cause a fatal stack overflow by submitting payloads with deeply nested collections.

CVSS Base Scores

version 4.0
version 3.1