cve-2021-34558

CVE-2021-34558 の PoC Run the malicious TLS server go run main.go -mode server Run a normal http.Get client call against the server which panics go run main.go -mode client ./vendor/github.com/refraction-networking/utls/handshakeserver.go に、一致しない証明書/暗号方式で悪意のあるハンドシェイクを送信できるようにするための軽微な変更が加えられています。...

Security Bulletin: IBM InfoSphere Optim Archive Viewer is affected by multiple vulnerabilities in Apache Thrift (CVE-2026-41608, CVE-2026-66053)

Summary Multiple Denial of Service vulnerabilities in Apache Thrift CVE-2026-41608, CVE-2026-66053 used by IBM InfoSphere Optim Archive Viewer have been addressed by upgrading the component to version 0.24.0. Vulnerability Details CVEID:CVE-2026-41608 DESCRIPTION: Improper Handling of Highly...

CVE-2026-91166: Improper Validation of Certificate with Host Mismatch

Warpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. From 0.25.0 until 0.27.6, the browser SSH path in warpgate-web-ssh/src/manager.rs handles RCEvent::HostKeyUnknown without the presenting hop identity and instead passes sshoptions.host and sshoptions.port for the final target...

CVE-2026-92943: Improper Validation of Certificate with Host Mismatch

Improper validation of certificate with host mismatch in the MQTT client TLS connection layer in AWS IoT Device SDK for Python 1.5.3 through 1.6.0 on Python 3.7 and later might allow an adversary-in-the-middle actor to impersonate the AWS IoT Core endpoint, read device telemetry, and inject...

USN-8670-3 curl vulnerability

USN-8670-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 26.04 LTS. Original advisory details: Joshua Rogers discovered that curl incorrectly handled reusing connections when client certificate settings changed. This could result in the wrong client...

CVE-2026-84393

Fortinet FortiOS 7.6.1 through 7.6.6 and FortiProxy 7.6.2 through 7.6.6 are affected by an improper validation of certificate with host mismatch vulnerability that may allow a remote attacker to achieve information disclosure . The attack requires high complexity and no user interaction or prior ...

CVE-2026-84393

A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6, FortiProxy 7.6.2 through 7.6.6 may allow attacker to information disclosure via...

Security Bulletin: Multiple security vulnerabilities are addressed with IBM Process Mining Interim Fix for August 2026

Summary Multiple vulnerabilities were addressed in IBM Process Mining 2.2.0 IF002 Vulnerability Details CVEID:CVE-2026-41608 DESCRIPTION: Improper Handling of Highly Compressed Data Data Amplification vulnerability in Apache Thrift Python bindings. This issue affects Apache Thrift: before 0.24.0...

Security Bulletin: Vulnerability found in IBM ApplinX.

Summary IBM ApplinX has been updated in order to address the vulnerability CVE-2014-3604. Specifics of this vulnerability come under CWE-297: Improper Validation of Certificate with Host Mismatch Vulnerability Details CVEID:CVE-2014-3604 DESCRIPTION: Certificates.java in Not Yet Commons SSL befor...

PT-2026-82042

USN-8670-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. Original advisory details: Joshua Rogers discovered that curl incorrectly handled reusing connections when client certificate settings changed. Thi...

USN-8670-1 curl vulnerability

Joshua Rogers discovered that curl incorrectly handled reusing connections when client certificate settings changed. This could result in the wrong client certificates being used, contrary to expectations...

USN-8670-1: curl vulnerability

Joshua Rogers discovered that curl incorrectly handled reusing connections when client certificate settings changed. This could result in the wrong client certificates being used, contrary to expectations...

CVE-2026-59638: Improper Validation of Certificate with Host Mismatch

In Bouncy Castle for Java before 1.85, JSSE hostname verifier CN-fallback enabled by default despite documented opt-in. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bctls-fips 1.0.24 1.0.X series, 2.0.24 2.0.X series and 2.1.24...

CVE-2026-66053

Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift Python bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue. This replaces CVE-2026-41603...

CVE-2026-66053 Apache Thrift: Python TSSLSocket Hostname Matcher Import

Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift Python bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue. This replaces CVE-2026-41603...

EUVD-2026-49149

Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift C++ bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue...

Linux Distros Unpatched Vulnerability : CVE-2026-55990

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In NLnet Labs Unbound 1.7.0 up to and including 1.25.1, when the 'dnscrypt:' clause lists more 'dnscrypt- provider-cert:' files than there are matching...

Security Bulletin: IBM Integration Bus for z/OS is vulnerable to Improper Validation of Certificate with Host Mismatch due to Apache Thrift (CVE-2026-43869 & CVE-2026-41603)

Summary IBM Integration Bus for z/OS is vulnerable to Improper Validation of Certificate with Host Mismatch due to Apache Thrift. Vulnerability Details CVEID:CVE-2026-43869 DESCRIPTION: Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift. This issue affects Apache...

Exploit for Incorrect Implementation of Authentication Algorithm in Google Android

CVE-2026-0073 – Android ADBD TLS Authentication Bypass E...

UBUNTU-CVE-2026-8286

A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though the TLS configuration mismatches so it should not...