CVE-2022-0778

CVE-2022-0778 The discovered vulnerability triggers an infinite loop in the function BNmodsqrt of OpenSSL while parsing an elliptic curve key. This means that a maliciously crafted X.509 certificate can DoS any unpatched server. The core of the vulnerability is in the parsing of EC keys with poin...

qark

Quick Android Review Kit This tool is designed to look for several security related Android application vulnerabilities, either in source code or packaged APKs. The tool is also capable of creating "Proof-of-Concept" deployable APKs and/or ADB commands, capable of exploiting many of the...

Chef Automate API Gateway - Authentication Bypass

Chef Automate derives an internal service identity from an X.509 certificate supplied in a request header without verifying its issuer. The load balancer blanks X-Client-Cert but does not strip the Grpc-Metadata- prefixed variants, which grpc-gateway rewrites into the metadata key the gateway's...

CVE-2026-6789-Stack-Buffer-Overflow-in-Embedded-TLS-Certificate-Parser

9. CVE-2026-6789 – Stack Buffer Overflow in Embedded TLS Certificate Parser Overview A popular lightweight TLS library simulated contains a stack buffer overflow when parsing X.509 certificate Subject Alternative Name extensions with a crafted length field. Severity: Critical RCE on IoT/Industria...

libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process

A flaw was found in Libreswan. An unauthenticated remote attacker can send a specially crafted X.509 certificate payload during an IKEv1 or IKEv2 exchange. This flaw occurs when Libreswan is operating in FIPS Federal Information Processing Standards mode and processing a certificate with an inval...

clone-cert

clone-cert.sh This is a simple shell script that retrieves the X.509 certificate associated with a TLS wrapped TCP port and uses openssl to create a similar certificate by replacing the public key and fixing the signature. This is particularly useful if you want to demonstrate why self-signed...

libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process

A flaw was found in Libreswan. An unauthenticated remote attacker can send a specially crafted X.509 certificate payload during an IKEv1 or IKEv2 exchange. This flaw occurs when Libreswan is operating in FIPS Federal Information Processing Standards mode and processing a certificate with an inval...

Moderate: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common...

CVE-2026-88648

A flaw was found in GnuTLS. An attacker controlling a subordinate Certificate Authority CA can exploit an incomplete X.509 certificate validation mechanism to bypass cross-domain Public Key Infrastructure PKI restrictions. This allows unauthorized certificates to be accepted as valid, potentially...

CVE-2026-71885

In Bouncy Castle for Java before 1.86, the Messaging Layer Security MLS, RFC 9420 implementation did not bind an X.509 credential to a LeafNode's signaturekey. LeafNode.verify checked a leaf's signature against the signaturekey carried in the leaf itself, while the credential's X.509 certificate...

UBUNTU-CVE-2026-71885

In Bouncy Castle for Java before 1.86, the Messaging Layer Security MLS, RFC 9420 implementation did not bind an X.509 credential to a LeafNode's signaturekey. LeafNode.verify checked a leaf's signature against the signaturekey carried in the leaf itself, while the credential's X.509 certificate...

CVE-2026-63571: Improper Verification of Cryptographic Signature

Improper verification of cryptographic signature in the attribute certificate path validator PkixAttrCertPathValidator, also used by PkixAttrCertPathBuilder in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote attacker to have a forged X.509 attribute certificate accepted as...

AlmaLinux 9.6 [TuxCare] Security Update: libreswan (ALMALINUX9.6:CLSA-2026:1785496521)

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1785496521 advisory. - In FIPS mode, Libreswan's adddecodedcert function calls CERTExtractPublicKey and asserts that the result is not NULL. However,...

Rocky Linux 9 [CIQ] Security Update: java-11-openjdk / java-11-openjdk-debuginfo / etc Multiple Vulnerabilities (crlsa-2022_7013)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20227013 advisory. OpenJDK: improper MultiByte conversion can lead to buffer overflow JGSS, 8286077 CVE-2022-21618 OpenJDK: excessive memory allocation in X.509 certificate...

Rocky Linux 8 [CIQ] Security Update: libreswan / libreswan-debuginfo / libreswan-debugsource Multiple Vulnerabilities (crlsa-2026_46396)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202646396 advisory. librenswan: IKEv1 Denial of Service via RSA-SHA1 PKCS1 Version 1.5 Encrypted authentication payload CVE-2026-50721 librenswan: IKEv2 Denial of Service via...

Rocky Linux 9 [CIQ] Security Update: java-1.8.0-openjdk / java-1.8.0-openjdk-debuginfo / etc Multiple Vulnerabilities (crlsa-2022_7007)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20227007 advisory. OpenJDK: excessive memory allocation in X.509 certificate parsing Security, 8286533 CVE-2022-21626 OpenJDK: HttpServer no connection count limit Lightweigh...

Rocky Linux 9 [CIQ] Security Update: libreswan / libreswan-debuginfo / libreswan-debugsource Multiple Vulnerabilities (crlsa-2026_46397)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202646397 advisory. librenswan: IKEv1 Denial of Service via RSA-SHA1 PKCS1 Version 1.5 Encrypted authentication payload CVE-2026-50721 librenswan: IKEv2 Denial of Service via...

Linux Distros Unpatched Vulnerability : CVE-2026-95616

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An integer overflow in WSS4J's DER bounds check lets an oversized allocation pass validation. An unauthenticated attacker can send a SOAP message carrying an...

Rocky Linux 10.2 [CIQ] Security Update: libreswan / libreswan-debugsource / libreswan-minimal / etc Multiple Vulnerabilities (crlsa-2026_46398)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202646398 advisory. librenswan: IKEv1 Denial of Service via RSA-SHA1 PKCS1 Version 1.5 Encrypted authentication payload CVE-2026-50721 librenswan: IKEv2 Denial of Service...

AlmaLinux 9.2 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl (ALMALINUX9.2:CLSA-2024:1729546540)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2024:1729546540 advisory. - Issue summary: Applications performing certificate name checks e.g., TLS clients checking server certificates may attempt to read an invali...