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CVE-2025-65500
Published: Nov 24, 2025
Modified: Nov 24, 2025
PUBLISHED
Description
NULL pointer dereference in coap_dtls_generate_cookie() in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSL_get_SSL_CTX() to return NULL.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
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