NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the BIOgetdata function. An attacker can cause the application to crash by sending a specially crafted DTLS/TLS connection that results in a NULL pointer dereference. Remediation A fix was pushed into the...

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...

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...

UBUNTU-CVE-2025-65500

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...

UBUNTU-CVE-2025-65501

Null pointer dereference in coapdtlsinfocallback in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a DTLS handshake where SSLgetappdata returns NULL...

Xtool AnyScan App 安全漏洞

Xtool AnyScan App is an automotive diagnostic mobile application from China-based Xtool. A security vulnerability exists in Xtooltech Xtool AnyScan Android Application version 4.40.40 and earlier, which stems from a lack of SSL certificate validation and could lead to a man-in-the-middle attack...

CVE-2025-65496

The libcoap library (version 4.3.5) is vulnerable to a NULL pointer dereference in the coap_dtls_generate_cookie() function located in src/coap_openssl.c. This flaw arises from the improper handling of return values from OpenSSL functions during DTLS operations; specifically, a crafted DTLS hands...

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-2025-65497

A NULL pointer dereference vulnerability exists in libcoap 4.3.5 within the coap_dtls_generate_cookie() function in src/coap_openssl.c. The flaw is caused by improper handling of return values from OpenSSL functions during DTLS (Datagram Transport Layer Security) operations. A remote attacker can...

CVE-2025-65500

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-2025-65502

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-2025-65496

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...

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-2025-12889

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...

SUSE-SU-2025:4160-1 Security update for the Linux Kernel RT (Live Patch 9 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise kernel 6.4.0-150600.10.29 fixes various security issues The following security issues were fixed: - CVE-2025-23145: mptcp: fix NULL pointer in canacceptnewsubflow bsc1242882. - CVE-2025-38500: xfrm: interface: fix use-after-free after changing collectmd...