PT-2025-47907
CVE-2025-65493
·
Published
2025-11-24
·
Updated
2026-02-24
Description by
CVSS 3.1
7.5
HighMetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions
libcoap version 4.3.5
Description
A flaw exists in libcoap where a NULL pointer dereference in src/coap openssl.c can lead to a denial of service. This occurs when a crafted DTLS/TLS connection triggers the
BIO get data() function to return NULL.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
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