CVE-2025-65495
Published
CVSS v3
7.5
HIGH
CVSS v2
N/A
Affected
1
PROJECT
Description
Integer signedness error in tls_verify_call_back() in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted TLS certificate that causes i2d_X509() to return -1 and be misused as a malloc() size parameter.
GitHub