CVE-2026-33308

A flaw was found in modgnutls, a TLS module for Apache HTTPD. Prior to version 0.13.0, the module's client certificate verification process did not properly validate the key purpose specified in the Extended Key Usage EKU extension. This oversight could allow a remote attacker, possessing a valid...

CVE-2026-33308

Modgnutls is a TLS module for Apache HTTPD based on GnuTLS. Prior to version 0.13.0, code for client certificate verification did not check the key purpose as set in the Extended Key Usage extension. An attacker with access to the private key for a valid certificate issued by a CA trusted for TLS...

UBUNTU-CVE-2026-33308

Modgnutls is a TLS module for Apache HTTPD based on GnuTLS. Prior to version 0.13.0, code for client certificate verification did not check the key purpose as set in the Extended Key Usage extension. An attacker with access to the private key for a valid certificate issued by a CA trusted for TLS...

CVE-2026-33308

Modgnutls is a TLS module for Apache HTTPD based on GnuTLS. Prior to version 0.13.0, code for client certificate verification did not check the key purpose as set in the Extended Key Usage extension. An attacker with access to the private key for a valid certificate issued by a CA trusted for TLS...

CVE-2026-33308

Modgnutls is a TLS module for Apache HTTPD based on GnuTLS. Prior to version 0.13.0, code for client certificate verification did not check the key purpose as set in the Extended Key Usage extension. An attacker with access to the private key for a valid certificate issued by a CA trusted for TLS...

CVE-2026-33308

CVE-2026-33308 affects mod_gnutls, a TLS module for Apache HTTPD based on GnuTLS. Prior to 0.13.0, the client-certificate verification code did not enforce the Extended Key Usage EKU key purpose; if an attacker possessed the private key of a valid certificate from a trusted CA but intended for a ...

EUVD-2026-14694

Modgnutls is a TLS module for Apache HTTPD based on GnuTLS. Prior to version 0.13.0, code for client certificate verification did not check the key purpose as set in the Extended Key Usage extension. An attacker with access to the private key for a valid certificate issued by a CA trusted for TLS...

CVE-2026-33308 mod_gnutls missing key purpose check in client certificate verification

Modgnutls is a TLS module for Apache HTTPD based on GnuTLS. Prior to version 0.13.0, code for client certificate verification did not check the key purpose as set in the Extended Key Usage extension. An attacker with access to the private key for a valid certificate issued by a CA trusted for TLS...

CVE-2026-33308 mod_gnutls missing key purpose check in client certificate verification

Modgnutls is a TLS module for Apache HTTPD based on GnuTLS. Prior to version 0.13.0, code for client certificate verification did not check the key purpose as set in the Extended Key Usage extension. An attacker with access to the private key for a valid certificate issued by a CA trusted for TLS...

CVE-2026-33308 mod_gnutls missing key purpose check in client certificate verification

Modgnutls is a TLS module for Apache HTTPD based on GnuTLS. Prior to version 0.13.0, code for client certificate verification did not check the key purpose as set in the Extended Key Usage extension. An attacker with access to the private key for a valid certificate issued by a CA trusted for TLS...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the JwtAuthenticator component when handling encrypted JWTs. An attacker can gain unauthorized access by crafting a JWE-wrapped PlainJWT with arbitrary claims if they possess the...

USN-7961-1 erlang vulnerability

It was discovered that Erlang incorrectly validated peer certificates when incorrect extended key usage was presented. A remote attacker could possibly use this issue to bypass SSL key usage restrictions...

USN-7961-1: Erlang vulnerability

It was discovered that Erlang incorrectly validated peer certificates when incorrect extended key usage was presented. A remote attacker could possibly use this issue to bypass SSL key usage restrictions...

Ubuntu 24.04 LTS : Erlang vulnerability (USN-7961-1)

The remote Ubuntu 24.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-7961-1 advisory. It was discovered that Erlang incorrectly validated peer certificates when incorrect extended key usage was presented. A remote attacker could possibly use this...

CVE-2023-40012

uthenticode is a small cross-platform library for partially verifying Authenticode digital signatures. Versions of uthenticode prior to the 2.x series did not check Extended Key Usages in certificates, in violation of the Authenticode X.509 certificate profile. As a result, a malicious user could...

BIT-MONGODB-2025-12893 Improper Certificate Validation May Allow Successful TLS Handshaking Despite Invalid Extended Key Usage Fields in MongoDB Server

Clients may successfully perform a TLS handshake with a MongoDB server despite presenting a client certificate not aligning with the documented Extended Key Usage EKU requirements. A certificate that specifies extendedKeyUsage but is missing extendedKeyUsage = clientAuth may still be successfully...

FreeBSD : MongoDB Server -- Improper Certificate Validation (d2f2c691-cd42-11f0-85d4-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the d2f2c691-cd42-11f0-85d4-b42e991fc52e advisory. https://jira.mongodb.org/browse/SERVER-105783 reports: Clients may successfully perform a TLS handshake...

Linux Distros Unpatched Vulnerability : CVE-2025-12893

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Clients may successfully perform a TLS handshake with a MongoDB server despite presenting a client certificate not aligning with the documented Extended Key Usa...

CVE-2025-12893

Clients may successfully perform a TLS handshake with a MongoDB server despite presenting a client certificate not aligning with the documented Extended Key Usage EKU requirements. A certificate that specifies extendedKeyUsage but is missing extendedKeyUsage = clientAuth may still be successfully...

CVE-2025-12893

Clients may successfully perform a TLS handshake with a MongoDB server despite presenting a client certificate not aligning with the documented Extended Key Usage EKU requirements. A certificate that specifies extendedKeyUsage but is missing extendedKeyUsage = clientAuth may still be successfully...