CVE-2025-65496

n/a / n/a PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
n/a / n/a	affected n/a

CWE

No CWE identifiers supplied.

References

https://github.com/obgm/libcoap/issues/1745
https://github.com/obgm/libcoap/pull/1750

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.