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CVE-2025-65494
CVE-2025-65494
NULL pointer dereference in get_san_or_cn_from_cert() in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted X.509 certificate that causes sk_GENERAL_NAME_value() to return NULL.
Published Nov 26, 2025
https://github.com/advisories/GHSA-vm7h-x472-77pq
CVSS Score
High
7.5
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Components Impacted
Security Details
Security Details
Sonatype Research
Sonatype Research
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CVE-2025-65494 | Components Impacted | Sonatype Guide | Sonatype Guide
