NULL Pointer Dereference Affecting libcoap package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published25 Nov 2025
- disclosed24 Nov 2025
- creditQingpeng Du
Introduced: 24 Nov 2025
CVE-2025-65501 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to NULL Pointer Dereference via the coap_dtls_info_callback() function when a DTLS handshake occurs and SSL_get_app_data() returns NULL. An attacker can cause the application to crash by initiating a specially crafted DTLS handshake.