CVE-2026-76891

Wireshark's sharkd component (versions 4.6.0–4.6.7 and 4.4.0—4.4.18) crashes due to an expired pointer dereference, causing denial of service. CVSS 3.1 rates it LOW (3.1). References: wireshark.org/security/wnpa-sec-2026-64.html, gitlab.com/wireshark/wireshark/-/work_items/21395. Exploitation sta...

CVE-2026-76891 Expired Pointer Dereference in Wireshark

Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service...

CVE-2026-76890 Expired Pointer Dereference in Wireshark

Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service...

CVE-2026-76890

Wireshark's sharkd service crashes via expired pointer dereference in versions 4.6.0–4.6.7 and 4.4.0–4.4.18, enabling remote denial of service. CVSS 3.1 LOW (network attack, high complexity, no privileges). No exploitation details are provided; update to a patched version per the Wireshark securi...

Siemens SIMATIC S7-1500 CPU 1518 MFP Expired Pointer Dereference (CVE-2026-31403)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505616; scriptversion"1.3"; scriptsetattributeattribute:"pluginmodificationdate",...

Siemens SIMATIC S7-1500 CPU 1518 MFP Expired Pointer Dereference (CVE-2026-31389)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505689; scriptversion"1.3"; scriptsetattributeattribute:"pluginmodificationdate",...

Siemens SIMATIC S7-1500 CPU 1518 MFP Expired Pointer Dereference (CVE-2025-39978)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505759; scriptversion"1.4"; scriptsetattributeattribute:"pluginmodificationdate",...

Siemens SIMATIC S7-1500 CPU 1518 MFP Expired Pointer Dereference (CVE-2025-40135)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505792; scriptversion"1.4"; scriptsetattributeattribute:"pluginmodificationdate",...

Siemens SIMATIC S7-1500 CPU 1518 MFP Expired Pointer Dereference (CVE-2026-31555)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505747; scriptversion"1.3"; scriptsetattributeattribute:"pluginmodificationdate",...

Siemens SIMATIC S7-1500 CPU 1518 MFP Expired Pointer Dereference (CVE-2025-68265)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505768; scriptversion"1.4"; scriptsetattributeattribute:"pluginmodificationdate",...

Siemens SIMATIC S7-1500 CPU 1518 MFP Expired Pointer Dereference (CVE-2026-23454)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505757; scriptversion"1.3"; scriptsetattributeattribute:"pluginmodificationdate",...

Siemens SIMATIC S7-1500 CPU 1518 MFP Expired Pointer Dereference (CVE-2026-23351)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505567; scriptversion"1.3"; scriptsetattributeattribute:"pluginmodificationdate",...

Siemens SIMATIC S7-1500 CPU 1518 MFP Expired Pointer Dereference (CVE-2026-31396)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505862; scriptversion"1.4"; scriptsetattributeattribute:"pluginmodificationdate",...

Siemens SIMATIC S7-1500 CPU 1518 MFP Expired Pointer Dereference (CVE-2026-23319)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505692; scriptversion"1.3"; scriptsetattributeattribute:"pluginmodificationdate",...

The vulnerability of the gnutls_pkcs11_token_set_pin() function in the lib/pkcs11_write.c file of the GnuTLS cryptographic library allows a attacker to cause a service failure.

The vulnerability of the gnutlspkcs11tokensetpin function in the lib/pkcs11write.c file of the GnuTLS cryptographic library is related to a buffer out-of-bounds exception due to a pointer that has expired. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability in the net/netfilter/nf_tables_api.c component of the Linux operating system allows a hacker to cause a service failure.

The vulnerability in the net/netfilter/nftablesapi.c component of the Linux operating system is related to the dereferencing of a pointer whose validity has expired. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the ep_free() function in the eventpoll.c component of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the epfree function in the eventpoll.c component of the Linux kernel relates to the dereferencing of a pointer whose expiration time has passed. Exploiting this vulnerability could allow an attacker to trigger a service failure...

The vulnerability of the rmapremove() function in the KVM virtualization subsystem of the Linux operating system allows a attacker to cause a service failure or execute arbitrary code.

The vulnerability of the rmapremove function in the KVM virtualization subsystem of the Linux operating system is related to the use of memory after it is freed, as a result of a pointer that has reached its expiration time. Exploiting this vulnerability can allow an attacker to cause a service...

Expired Pointer Dereference

Overview CoreWCF.UnixDomainSocket is a port of the service side of Windows Communication Foundation WCF to .NET Core. The goal of this project is to enable existing WCF services to move to .NET Core. Affected versions of this package are vulnerable to Expired Pointer Dereference in...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ovpnnetxmit function in ovpn. This function continues to use an expired pointer after releasi...