Excessive Memory Allocation in go-ipld-prime Implementation by IPLD
CVE-2026-35480

6.2MEDIUM

Key Information:

Vendor

Ipld

Status
Go-ipld-prime
Vendor
CVE Published:
7 April 2026

What is CVE-2026-35480?

The go-ipld-prime library, used for handling InterPlanetary Linked Data, possesses a vulnerability that leads to excessive memory allocation caused by unregulated size hints in the DAG-CBOR decoder. This implementation flaw allows small payloads to excessively allocate memory, which could lead to performance degradation and resource exhaustion. The issue has been addressed in version 0.22.0.

Affected Version(s)

go-ipld-prime < 0.22.0

References

https://github.com/ipld/go-ipld-prime/security/advisories...
x_refsource_CONFIRM

CVSS V3.1

Score:
6.2
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.