gnutls: GnuTLS: Denial of Service via excessive resource consumption during certificate verification

A flaw was found in GnuTLS. This vulnerability allows a denial of service DoS by excessive CPU Central Processing Unit and memory consumption via specially crafted malicious certificates containing a large number of name constraints and subject alternative names SANs...

USN-8134-1: pyasn1 vulnerabilities

It was discovered that pyasn1 could exhaust system resources when attempting to decode a malformed certificate. An attacker could possibly use this to cause a denial of service. CVE-2026-23490 Kevin Tu discovered that pyasn1 could exhaust system resources via uncontrolled recursion when attemptin...

USN-8134-1 pyasn1 vulnerabilities

It was discovered that pyasn1 could exhaust system resources when attempting to decode a malformed certificate. An attacker could possibly use this to cause a denial of service. CVE-2026-23490 Kevin Tu discovered that pyasn1 could exhaust system resources via uncontrolled recursion when attemptin...

gnutls: GnuTLS: Denial of Service via excessive resource consumption during certificate verification

A flaw was found in GnuTLS. This vulnerability allows a denial of service DoS by excessive CPU Central Processing Unit and memory consumption via specially crafted malicious certificates containing a large number of name constraints and subject alternative names SANs...

OESA-2026-1632 gnutls security update

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface API to access the secure communications protocols as well as APIs to parse and write X.509, PKCS 12, and other...

CVE-2025-14831

A flaw was found in GnuTLS. This vulnerability allows a denial of service DoS by excessive CPU Central Processing Unit and memory consumption via specially crafted malicious certificates containing a large number of name constraints and subject alternative names SANs...

The vulnerability of the software for providing secure remote access to data in Palo Alto Networks’ GlobalProtect App is related to errors in the certificate validation process. This allows a malicious actor to create malicious certificates.

The vulnerability of the software for providing secure remote access to data in the Palo Alto Networks GlobalProtect App is related to errors in the certificate validation process. Exploiting this vulnerability allows a malicious actor to create malicious certificates from a remote location...

CVE-2025-61729

Within HostnameError.Error, when constructing an error string, there is no limit to the number of hosts that will be printed out. Furthermore, the error string is constructed by repeated string concatenation, leading to quadratic runtime. Therefore, a certificate provided by a malicious actor can...

EUVD-2025-200318

Within HostnameError.Error, when constructing an error string, there is no limit to the number of hosts that will be printed out. Furthermore, the error string is constructed by repeated string concatenation, leading to quadratic runtime. Therefore, a certificate provided by a malicious actor can...

AZL-71305 CVE-2025-61729 affecting package msft-golang 1.24.13-1

Within HostnameError.Error, when constructing an error string, there is no limit to the number of hosts that will be printed out. Furthermore, the error string is constructed by repeated string concatenation, leading to quadratic runtime. Therefore, a certificate provided by a malicious actor can...

UBUNTU-CVE-2025-61729

Within HostnameError.Error, when constructing an error string, there is no limit to the number of hosts that will be printed out. Furthermore, the error string is constructed by repeated string concatenation, leading to quadratic runtime. Therefore, a certificate provided by a malicious actor can...

EUVD-2017-8302

Malware in sbrugna...

GlobalProtect App: Improper Certificate Validation Leads to Privilege Escalation

An insufficient certificate validation issue in the Palo Alto Networks GlobalProtect™ app enables attackers to connect the GlobalProtect app to arbitrary servers. This can enable a local non-administrative operating system user or an attacker on the same subnet to install malicious root...

PT-2025-33023 · Palo Alto Networks · Globalprotect

Name of the Vulnerable Software and Affected Versions: Palo Alto Networks GlobalProtect app affected versions not specified Description: An insufficient certificate validation issue in the Palo Alto Networks GlobalProtect app allows attackers to connect the app to arbitrary servers. This can enab...

CVE-2025-6037

A flaw was found in github.com/hashicorp/vault. The TLS certificate authentication method fails to properly validate client certificates when a non-CA certificate is designated as trusted. This vulnerability enables an attacker with a manipulated certificate to evade authentication and impersonat...

CVE-2025-6037

Vault and Vault Enterprise “Vault” TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as +trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/certcertificate. In this configuration, an attacker may be able to...

CVE-2023-24010

An attacker can arbitrarily craft malicious DDS Participants or ROS 2 Nodes with valid certificates to compromise and get full control of the attacked secure DDS databus system by exploiting vulnerable attributes in the configuration of PKCS7 certificate’s validation. This is caused by a...

CVE-2023-24010

An attacker can arbitrarily craft malicious DDS Participants or ROS 2 Nodes with valid certificates to compromise and get full control of the attacked secure DDS databus system by exploiting vulnerable attributes in the configuration of PKCS7 certificate’s validation. This is caused by a...

CVE-2023-24012 Data Distribution Service (DDS) Chain of Trust (CoT) violation vulnerability in Open DDS

An attacker can arbitrarily craft malicious DDS Participants or ROS 2 Nodes with valid certificates to compromise and get full control of the attacked secure DDS databus system by exploiting vulnerable attributes in the configuration of PKCS7 certificate’s validation. This is caused by a...

CVE-2023-24011

CVE-2023-24011 is a DDS ecosystem vulnerability arising from non-compliant permission document verification and improper use of OpenSSL PKCS7_verify to validate S/MIME signatures. Attackers could craft malicious DDS Participants or ROS 2 Nodes with valid certificates to gain full control of a sec...