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.

INFO

Published Date :

2025-11-24T00:00:00.000Z

Last Modified :

2025-11-24T18:26:49.240Z

Source :

mitre
AFFECTED PRODUCTS

The following products are affected by CVE-2025-65496 vulnerability.

Vendors Products
Libcoap
  • Libcoap
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-65496.

URL Resource
https://github.com/obgm/libcoap/issues/1745 cve-icon cve-icon
https://github.com/obgm/libcoap/pull/1750 cve-icon cve-icon
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