CVE-2026-29013

libcoap contains out-of-bounds read vulnerabilities in OSCORE Appendix B.2 CBOR unwrap handling where getbyteinc in src/oscore/oscorecbor.c relies solely on assert for bounds checking, which is removed in release builds compiled with NDEBUG. Attackers can send crafted CoAP requests with malformed...

CVE-2026-29013 libcoap Out-of-Bounds Read in OSCORE CBOR Unwrap Handling

libcoap contains out-of-bounds read vulnerabilities in OSCORE Appendix B.2 CBOR unwrap handling where getbyteinc in src/oscore/oscorecbor.c relies solely on assert for bounds checking, which is removed in release builds compiled with NDEBUG. Attackers can send crafted CoAP requests with malformed...

CVE-2026-29013

libcoap contains out-of-bounds read vulnerabilities in OSCORE Appendix B.2 CBOR unwrap handling where getbyteinc in src/oscore/oscorecbor.c relies solely on assert for bounds checking, which is removed in release builds compiled with NDEBUG. Attackers can send crafted CoAP requests with malformed...

PT-2026-33518

Name of the Vulnerable Software and Affected Versions libcoap affected versions not specified Description An issue exists in the OSCORE Appendix B.2 CBOR unwrap handling where the function get byte inc in src/oscore/oscore cbor.c relies exclusively on assert for bounds checking. Since assert is...

libcoap 安全漏洞

Libcoap is a lightweight application protocol implementation developed by ObgM. Libcoap has a security vulnerability, which stems from out-of-bounds read operations during the CBOR decapsulation processing in OSCORE Appendix B.2. This vulnerability may lead to a heap buffer overflow attack throug...

SUSE CVE-2026-35480

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 a...

CVE-2026-35480

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 a...

CVE-2026-35480

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 a...

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 a...

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 a...

CVE-2026-35480

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 a...

CVE-2026-35480

CVE-2026-35480 affects the go-ipld-prime project, specifically the DAG-CBOR decoder. Prior to version 0.22.0, the decoder uses collection size hints from CBOR headers as preallocation hints for maps and lists without capping them or accounting for their cost in its allocation budget. This can lea...

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 a...

go-ipld-prime 安全漏洞

go-ipld-prime is an implementation of the IPLD open-source specification interface. Versions of go-ipld-prime prior to 0.22.0 contained security vulnerabilities. These vulnerabilities stemmed from the DAG-CBOR decoder using the set size declared in the CBOR header as a hint for Go’s pre-allocatio...

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

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. A CBOR map or list header c...

GHSA-378J-3JFJ-8R9F go-ipld-prime: DAG-CBOR decoder unbounded memory allocation from CBOR headers

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. A CBOR map or list header c...

PT-2026-30757

Name of the Vulnerable Software and Affected Versions go-ipld-prime versions prior to 0.22.0 Description go-ipld-prime’s DAG-CBOR decoder does not limit the size of preallocations for maps and lists based on CBOR headers, potentially leading to excessive memory allocation from small payloads...

Uncontrolled Recursion

Overview @stablelib/cbor is a CBOR encoder and decoder Affected versions of this package are vulnerable to Uncontrolled Recursion when decoding. An attacker can cause the application to crash or terminate unexpectedly by supplying a deeply nested, attacker-controlled CBOR payload that exhausts th...

Prototype Pollution

Overview @stablelib/cbor is a CBOR encoder and decoder Affected versions of this package are vulnerable to Prototype Pollution via the CBOR decoding process. An attacker can manipulate the prototype of decoded objects by supplying specially crafted map keys, such as proto, which can lead to...

SUSE CVE-2026-26209

cbor2 provides encoding and decoding for the Concise Binary Object Representation CBOR serialization format. Versions prior to 5.9.0 are vulnerable to a Denial of Service DoS attack caused by uncontrolled recursion when decoding deeply nested CBOR structures. This vulnerability affects both the...