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CVE-2026-42328

go-ipld-prime: DAG-CBOR and DAG-JSON decoders unbounded recursion depth

go-ipld-prime is an implementation of the InterPlanetary Linked Data (IPLD) spec interfaces, a batteries-included codec implementations of IPLD for CBOR and JSON, and tooling for basic operations on IPLD objects. Prior to 0.23.0, the DAG-CBOR and DAG-JSON decoders recurse on each nested map or list without a depth limit. A payload containing deeply nested collections causes the decoder to recurse once per level, growing the goroutine stack until the Go runtime terminates the process with a fatal stack overflow (distinct from a recoverable panic). This vulnerability is fixed in 0.23.0.

CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Vendors
Ipld
Products
Go-ipld-prime
CVE-2026-35480

go-ipld-prime's DAG-CBOR decoder unbounded memory allocation from CBOR headers

go-ipld-prime is an implementation of the InterPlanetary Linked Data (IPLD) spec interfaces, a batteries-included codec implementations of IPLD for CBOR and JSON, and tooling for basic operations on IPLD objects. Prior to 0.22.0, the DAG-CBOR decoder uses collection sizes declared in CBOR headers as Go preallocation hints for maps and lists. The decoder does not cap these size hints or account for their cost in its allocation budget, allowing small payloads to cause excessive memory allocation. This vulnerability is fixed in 0.22.0.

CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Vendors
Ipld Protocol
Products
Go-ipld-prime Go-ipld-prime