Security Advisories
CVEs affecting projects tracked on Release Alert, from NVD & OSV.
CVE-2025-65493
7.5
HIGHCVSS v3
Published
November 24, 2025
Affected
1 project
Assigned by
MITRE
Severity scale
010
Description
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.
GitHub