CVE Vulnerabilities

CVE-2025-65501

NULL Pointer Dereference

Published: Nov 24, 2025 | Modified: Nov 25, 2025

CVSS 3.x

N/A

Source:

NVD

CVSS 2.x

RedHat/V2

RedHat/V3

Ubuntu

MEDIUM

Vulnerability-free packages from our partners

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2025-65501
CWE	https://cwe.mitre.org/data/definitions/476.html

Null pointer dereference in coap_dtls_info_callback() in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a DTLS handshake where SSL_get_app_data() returns NULL.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Potential Mitigations

References

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