Threats Tagged 'cve-2025-65493'
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Threats Tagged 'cve-2025-65493'
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0 CVE-2025-65493 is a high-severity vulnerability in libcoap 4.3.5, specifically in the src/coap_openssl.c component. It involves a NULL pointer dereference triggered by crafted DTLS/TLS connections causing BIO_get_data() to return NULL, leading to a denial of service (DoS). This vulnerability can be exploited remotely without authentication or user interaction. While no known exploits are currently in the wild, the flaw allows attackers to crash affected services, impacting availability. European organizations using libcoap in IoT or constrained device environments may face service disruptions. Mitigation requires patching or applying workarounds to handle NULL pointers safely in the affected code. Countries with significant IoT deployments and critical infrastructure relying on constrained application protocols are most at risk. 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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