CVE-2025-65493

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 conne...

Original description

The description as published by the source.

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.

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

Fix status by distribution

Fixed packages published by each distribution for this CVE

Debian DEBIAN-CVE-2025-65493 libcoap2
Ubuntu UBUNTU-CVE-2025-65493 libcoap

References

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