high7.5
CVE-2025-65493
NULL pointer dereference in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS/TLS connection tha…
Impact
NULL pointer dereference in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS/TLS connection that triggers BIO_get_data() to return NULL.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Libcoap | Libcoap | Version 4.3.5 |