Home

Description

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.

PUBLISHED Reserved 2025-11-18 | Published 2025-11-24 | Updated 2025-11-24 | Assigner mitre

References

github.com/obgm/libcoap/issues/1743

github.com/obgm/libcoap/pull/1750

cve.org (CVE-2025-65493)

nvd.nist.gov (CVE-2025-65493)

Download JSON