DEBIAN-CVE-2025-65496

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...

DEBIAN-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...

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...

PT-2025-47914

Name of the Vulnerable Software and Affected Versions libcoap version 4.3.5 Description A flaw exists in libcoap that allows for a denial of service. Specifically, a NULL pointer dereference in the coap dtls generate cookie function, located in src/coap openssl.c, can be triggered by a crafted DT...

CVE-2025-65502

Cesanta Mongoose versions prior to 7.2 are vulnerable to a null pointer dereference within the add_ca_certs() function. This flaw is triggered during TLS initialization when SSL_CTX_get_cert_store() returns NULL , allowing remote attackers to cause a denial of service . To address this issue, it ...

CVE-2025-65495

The libcoap library (version 4.3.5) contains an integer signedness error in the tls_verify_call_back() function located in src/coap_openssl.c. This vulnerability allows a remote attacker to trigger a denial of service by providing a crafted TLS certificate. Specifically, the i2d_X509() function m...

CVE-2025-65496

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-2025-12889

With TLS 1.2 connections a client can use any digest, specifically a weaker digest that is supported, rather than those in the CertificateRequest...

CVE-2025-11932

The server previously verified the TLS 1.3 PSK binder using a non-constant time method which could potentially leak information about the PSK binder...

CVE-2025-11933

Improper Input Validation in the TLS 1.3 CKS extension parsing in wolfSSL 5.8.2 and earlier on multiple platforms allows a remote unauthenticated attacker to potentially cause a denial-of-service via a crafted ClientHello message with duplicate CKS extensions...

EUVD-2025-198525

Improper Input Validation in the TLS 1.3 CKS extension parsing in wolfSSL 5.8.2 and earlier on multiple platforms allows a remote unauthenticated attacker to potentially cause a denial-of-service via a crafted ClientHello message with duplicate CKS extensions...

EUVD-2025-198524

Improper input validation in the TLS 1.3 KeyShareEntry parsing in wolfSSL v5.8.2 on multiple platforms allows a remote unauthenticated attacker to cause a denial-of-service by sending a crafted ClientHello message containing duplicate KeyShareEntry values for the same supported group, leading to...

EUVD-2025-198529

With TLS 1.3 pre-shared key PSK a malicious or faulty server could ignore the request for PFS perfect forward secrecy and the client would continue on with the connection using PSK without PFS. This happened when a server responded to a ClientHello containing pskdheke without a keyshare...

CVE-2025-12889

With TLS 1.2 connections a client can use any digest, specifically a weaker digest that is supported, rather than those in the CertificateRequest...

Linux Distros Unpatched Vulnerability : CVE-2025-11935

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - With TLS 1.3 pre-shared key PSK a malicious or faulty server could ignore the request for PFS perfect forward secrecy and the client would continue on with the...

Linux Distros Unpatched Vulnerability : CVE-2025-11932

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The server previously verified the TLS 1.3 PSK binder using a non-constant time method which could potentially leak information about the PSK binder...

CVE-2025-11932

The server previously verified the TLS 1.3 PSK binder using a non-constant time method which could potentially leak information about the PSK binder...

CVE-2025-11934

Improper input validation in the TLS 1.3 CertificateVerify signature algorithm negotiation in wolfSSL 5.8.2 and earlier on multiple platforms allows for downgrading the signature algorithm used. For example when a client sends ECDSA P521 as the supported signature algorithm the server previously...

DEBIAN-CVE-2025-11932

The server previously verified the TLS 1.3 PSK binder using a non-constant time method which could potentially leak information about the PSK binder...

DEBIAN-CVE-2025-11933

Improper Input Validation in the TLS 1.3 CKS extension parsing in wolfSSL 5.8.2 and earlier on multiple platforms allows a remote unauthenticated attacker to potentially cause a denial-of-service via a crafted ClientHello message with duplicate CKS extensions...