Threats Tagged 'cve-2025-65494'
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Threats Tagged 'cve-2025-65494'
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0 CVE-2025-65494 is a high-severity vulnerability in libcoap 4.3.5, where a NULL pointer dereference occurs in the get_san_or_cn_from_cert() function when processing crafted X.509 certificates. This flaw allows remote attackers to cause a denial of service (DoS) without requiring authentication or user interaction. The vulnerability arises because sk_GENERAL_NAME_value() can return NULL, which is not properly handled, leading to a crash. There are no known exploits in the wild yet, but the CVSS score of 7.5 indicates a significant risk. European organizations using libcoap in IoT or constrained device environments should be particularly vigilant. Mitigation involves applying patches once available and implementing strict certificate validation and input sanitization. Join the discussion | CVE Database V5 | 11/24/2025, 00:00:00 UTC Added: 11/24/2025, 14:12:59 UTC |
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