CVE-2025-65501

Null pointer dereference in coap_dtls_info_callback() in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a DTLS handshake...

Original description

The description as published by the source.

Null pointer dereference in coap_dtls_info_callback() in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a DTLS handshake where SSL_get_app_data() returns NULL.

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

Fix status by distribution

Fixed packages published by each distribution for this CVE

Debian DEBIAN-CVE-2025-65501 libcoap2
Ubuntu UBUNTU-CVE-2025-65501 libcoap

References

advisory github.com
advisory nvd.nist.gov
patch github.com
report github.com