EUVD-2026-23535

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...

Linux Distros Unpatched Vulnerability : CVE-2026-29013

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read in the getbyteinc function during CBOR parsing in OSCORE negotiation. An attacker can access sensitive memory contents or cause a heap buffer overflow by sending specially crafted CoAP requests with malformed OSCORE...

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...

DEBIAN-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 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 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...

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 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

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...