OSV-2026-762 Heap-buffer-overflow in coap_pdu_parse_header

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513783540 Crash type: Heap-buffer-overflow READ 1 Crash state: coappduparseheader coappduparse2 coappduparse...

PT-2026-44166

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513783540 Crash type: Heap-buffer-overflow READ 1 Crash state: coap pdu parse header coap pdu parse2 coap pdu parse...

PT-2026-42899

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=512517700 Crash type: Heap-buffer-overflow READ 1 Crash state: coap pdu parse header coap pdu parse2 coap pdu parse...

DEBIAN-CVE-2024-31031

An issue in coappdu.c in libcoap 4.3.4 allows attackers to cause undefined behavior via a sequence of messages leading to unsigned integer overflow...

UBUNTU-CVE-2024-31031

An issue in coappdu.c in libcoap 4.3.4 allows attackers to cause undefined behavior via a sequence of messages leading to unsigned integer overflow...

libcoap 安全漏洞

libcoap is a C implementation of a lightweight application protocol open-sourced by obgm. A security vulnerability exists in libcoap version 4.3.4, which stems from an integer overflow vulnerability in the file coappdu.c. The vulnerability is caused by an integer overflow in the file coappdu...

PT-2021-28122

Name of the Vulnerable Software and Affected Versions No specific software or versions are mentioned in the provided description. Description The issue is related to a crash type identified as Global-buffer-overflow WRITE 1. It involves the functions coap pdu parse opt and coap pdu parse. No...

PT-2020-22089

Name of the Vulnerable Software and Affected Versions No specific software or versions are mentioned in the provided description. Description A heap-buffer-overflow READ 1 crash has been reported. The crash involves the coap opt length, coap pdu parse opt, and coap pdu parse functions. No...