CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Subscribers get the CVEs that match their own systems on My program, by email as they are published. Where the data comes from: sources.

Updated under an hour ago (2026-10-19 07:30 UTC)

What this means for you

This week: 5,443 CVEs published, 355 critical, and 7 newly confirmed exploited. Add your stack to see whether any of them hit you.

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This week's critical CVEs

Exploited in the last 30 days

Published in the last 7 days: 5,443; Show in the list
Critical, last 7 days: 355; Show in the list
Healthcare-tagged, last 7 days: 4; Show in the list
Known exploited (CISA KEV): 1,747; Show in the list

Showing CVEs that name the product libcoap:libcoap. Show all products

12 CVEs, showing 1 to 12

CVE	Severity	Title	Published
CVE-2026-29013	Critical 9.8	libcoap contains out-of-bounds read vulnerabilities in OSCORE Appendix B.2 CBOR unwrap handling where get_byte_inc() in src/oscore/oscore_cbor.c relies solely on assert() for bounds checking, which i…	Apr 17, 2026
CVE-2025-34468	Critical 9.8	libcoap versions up to and including 4.3.5, prior to commit 30db3ea, contain a stack-based buffer overflow in address resolution when attacker-controlled hostname data is copied into a fixed 256-byte…	Dec 31, 2025
CVE-2025-59391	Medium 6.5	A memory disclosure vulnerability exists in libcoap's OSCORE configuration parser in libcoap before release-4.3.5-patches.	Dec 8, 2025
CVE-2025-65501	Medium 4.3	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.	Nov 24, 2025
CVE-2025-65500	Medium 4.3	NULL pointer dereference in coap_dtls_generate_cookie() in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSL…	Nov 24, 2025
CVE-2025-65499	Medium 4.3	Array index error in tls_verify_call_back() in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSL_get_ex_data…	Nov 24, 2025
CVE-2025-65498	Medium 4.3	NULL pointer dereference in coap_dtls_generate_cookie() in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSL…	Nov 24, 2025
CVE-2025-65497	Medium 4.3	NULL pointer dereference in coap_dtls_generate_cookie() in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSL…	Nov 24, 2025
CVE-2025-65496	Medium 4.3	NULL pointer dereference in coap_dtls_generate_cookie() in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSL…	Nov 24, 2025
CVE-2025-65495	High 7.5	Integer signedness error in tls_verify_call_back() in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted TLS certificate that causes i2d_X509(…	Nov 24, 2025
CVE-2025-65494	High 7.5	NULL pointer dereference in get_san_or_cn_from_cert() in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted X.509 certificate that causes sk_G…	Nov 24, 2025
CVE-2025-65493	High 7.5	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.	Nov 24, 2025

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.