PT-2025-47907

Name of the Vulnerable Software and Affected Versions libcoap version 4.3.5 Description A flaw exists in libcoap where a NULL pointer dereference in src/coap openssl.c can lead to a denial of service. This occurs when a crafted DTLS/TLS connection triggers the BIO get data function to return NULL...

CVE-2025-65498

NULL pointer dereference in coapdtlsgeneratecookie in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSLgetSSLCTX to return NULL...

CVE-2025-65493

CVE-2025-65493 affects libcoap (C implementation). A NULL pointer dereference in src/coap_openssl.c (BIO_get_data()) allows a remote attacker to cause DoS via a crafted DTLS/TLS connection on libcoap 4.3.5. Fedora advisories show fixes in libcoap-4.3.5a-1 for FC42/FC43; platforms openSUSE and EUV...

CVE-2025-65497

CVE-2025-65497 describes a NULL pointer dereference in the CoAP library libcoap 4.3.5 (coap_dtls_generate_cookie in src/coap_openssl.c). A crafted DTLS handshake can cause a denial of service by making SSL_get_SSL_CTX() return NULL. Multiple connected advisories note a fix/update to a 4.3.5a rele...

Linux Distros Unpatched Vulnerability : CVE-2025-65494

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NULL pointer dereference in getsanorcnfromcert in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted X.5...

Linux Distros Unpatched Vulnerability : CVE-2025-65495

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Integer signedness error in tlsverifycallback in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted TLS...

PT-2025-47914

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 get SSL CTX to return NULL...

CVE-2025-65497

NULL pointer dereference in coapdtlsgeneratecookie in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSLgetSSLCTX to return NULL...

PT-2025-47913

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 X509 STORE CTX idx to return -1...

libcoap 安全漏洞

libcoap is a C implementation of a lightweight application protocol open-sourced by obgm. A security vulnerability exists in libcoap version 4.3.5, which stems from an integer sign error in the tlsverifycallback function in src/coapopenssl.c, which could lead to a denial of service attack...

libcoap 安全漏洞

libcoap is a C implementation of a lightweight application protocol open-sourced by obgm. A security vulnerability exists in libcoap version 4.3.5, which stems from a null pointer dereference in the coapdtlsgeneratecookie function in src/coapopenssl.c, which could lead to a denial of service atta...

CVE-2025-65493

NULL pointer dereference in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS/TLS connection that triggers BIOgetdata to return NULL...

EUVD-2023-39855

Malicious code in bioql PyPI...

EUVD-2024-16740

Malicious code in bioql PyPI...

EUVD-2023-34783

Malicious code in bioql PyPI...

EUVD-2023-56527

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2023-35862

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libcoap 4.3.1 contains a buffer over-read via the function coapparseoscoreconfmem at coaposcore.c. CVE-2023-35862 Note that Nessus relies on the presence of the...

Linux Distros Unpatched Vulnerability : CVE-2025-50518

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A use-after-free vulnerability exists in the coapdeletepdulkd function within coappdu.c of the libcoap library. This issue occurs due to improper handling of...

Linux Distros Unpatched Vulnerability : CVE-2024-46304

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A NULL pointer dereference in libcoap v4.3.5-rc2 and below allows a remote attacker to cause a denial of service via the coaphandlerequestputblock function in...

Linux Distros Unpatched Vulnerability : CVE-2024-0962

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability was found in obgm libcoap 4.3.4. It has been rated as critical. Affected by this issue is the function getsplitentry of the file src/coaposcore....