Lemur: Crafted CRL/OCSP URLs in uploaded certificates lead to post-authentication SSRF

Summary When verifying an uploaded certificate, lemur/certificates/verify.py extracts the CRL Distribution Point URL and the OCSP responder URL directly from the certificate's extensions and issues outbound requests to those URLs without scheme restriction or destination allow-listing. An...

PT-2026-59241

Summary When verifying an uploaded certificate, lemur/certificates/verify.py extracts the CRL Distribution Point URL and the OCSP responder URL directly from the certificate's extensions and issues outbound requests to those URLs without scheme restriction or destination allow-listing. An...

PT-2026-52653

Name of the Vulnerable Software and Affected Versions Lemur affected versions not specified Description An authenticated user with the operator role can induce the server to make unauthorized outbound requests to internal network resources. This occurs because the software extracts CRL Distributi...

CVE-2026-4428

A logic error in CRL distribution point validation in AWS-LC before 1.71.0 causes partitioned CRLs to be incorrectly rejected as out of scope, which allows a revoked certificate to bypass certificate revocation checks. To remediate this issue, users should upgrade to AWS-LC 1.71.0 or...

CVE-2026-4428 CRL Distribution Point Scope Check Logic Error in AWS-LC

A logic error in CRL distribution point validation in AWS-LC before 1.71.0 causes partitioned CRLs to be incorrectly rejected as out of scope, which allows a revoked certificate to bypass certificate revocation checks. To remediate this issue, users should upgrade to AWS-LC 1.71.0 or...

CVE-2026-4428 CRL Distribution Point Scope Check Logic Error in AWS-LC

A logic error in CRL distribution point validation in AWS-LC before 1.71.0 causes partitioned CRLs to be incorrectly rejected as out of scope, which allows a revoked certificate to bypass certificate revocation checks. To remediate this issue, users should upgrade to AWS-LC 1.71.0 or...

CRL Distribution Point Scope Check Logic Error in AWS-LC

A logic error in CRL distribution point matching in AWS-LC allows a revoked certificate to bypass revocation checks during certificate validation, when the application enables CRL checking and uses partitioned CRLs with Issuing Distribution Point IDP extensions. Customers of AWS services do not...

RUSTSEC-2026-0042 CRL Distribution Point Scope Check Logic Error in AWS-LC

A logic error in CRL distribution point matching in AWS-LC allows a revoked certificate to bypass revocation checks during certificate validation, when the application enables CRL checking and uses partitioned CRLs with Issuing Distribution Point IDP extensions. Customers of AWS services do not...

CVE-2026-4428: Improper Check for Certificate Revocation

A logic error in CRL distribution point validation in AWS-LC before 1.71.0 causes partitioned CRLs to be incorrectly rejected as out of scope, which allows a revoked certificate to bypass certificate revocation checks. To remediate this issue, users should upgrade to AWS-LC 1.71.0 or...

openssl: X.400 address type confusion in X.509 GeneralName

A type confusion vulnerability was found in OpenSSL when OpenSSL X.400 addresses processing inside an X.509 GeneralName. When CRL checking is enabled for example, the application sets the X509VFLAGCRLCHECK flag, this vulnerability may allow an attacker to pass arbitrary pointers to a memcmp call,...

NewStart CGSL MAIN 5.04 : openssl Vulnerability (NS-SA-2023-0101)

The remote NewStart CGSL host, running version MAIN 5.04, has openssl packages installed that are affected by a vulnerability: - There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName. X.400 addresses were parsed as an ASN1STRING but the public...

EulerOS Virtualization 2.11.0 : shim (EulerOS-SA-2023-2129)

According to the versions of the shim package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName. X.400 addresses were parse...

Huawei EulerOS: Security Advisory for shim (EulerOS-SA-2023-2004)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Huawei EulerOS: Security Advisory for shim (EulerOS-SA-2023-1984)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

EulerOS 2.0 SP9 : shim (EulerOS-SA-2023-1853)

According to the versions of the shim packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName. X.400 addresses were parsed as an...

RHEL 8 : openssl (RHSA-2023:1441)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:1441 advisory. OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength...

K17330: GnuTLS vulnerability CVE-2015-3308

Security Advisory Description Double free vulnerability in lib/x509/x509ext.c in GnuTLS before 3.3.14 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted CRL distribution point. CVE-2015-3308 Impact A remote attacker may be able to cause a...

Type confusion

There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName. X.400 addresses were parsed as an ASN1STRING but the public structure definition for GENERALNAME incorrectly specified the type of the x400Address field as ASN1TYPE. This field is subsequentl...

CVE-2023-0286

There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName. X.400 addresses were parsed as an ASN1STRING but the public structure definition for GENERALNAME incorrectly specified the type of the x400Address field as ASN1TYPE. This field is subsequentl...

CVE-2023-0286

There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName. X.400 addresses were parsed as an ASN1STRING but the public structure definition for GENERALNAME incorrectly specified the type of the x400Address field as ASN1TYPE. This field is subsequentl...