USN-8335-1 pyopenssl vulnerability

It was discovered that pyOpenSSL incorrectly handled exceptions in the tlsextservername callback. This could result in connections being accepted after an exception, contrary to expectations...

CVE-2026-9454

A flaw has been found in Totolink A8000RU 7.1cu.643b20200521. This vulnerability affects the function setOpenVpnCertGenerationCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument servername can lead to os command injection. The...

CVE-2026-9454 Totolink A8000RU Web Management cstecgi.cgi setOpenVpnCertGenerationCfg os command injection

A flaw has been found in Totolink A8000RU 7.1cu.643b20200521. This vulnerability affects the function setOpenVpnCertGenerationCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument servername can lead to os command injection. The...

CVE-2026-9454

A flaw has been found in Totolink A8000RU 7.1cu.643b20200521. This vulnerability affects the function setOpenVpnCertGenerationCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument servername can lead to os command injection. The...

PT-2026-43042

A flaw has been found in Totolink A8000RU 7.1cu.643 b20200521. This vulnerability affects the function setOpenVpnCertGenerationCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument servername can lead to os command injection. The...

TOTOLINK A8000RU 操作系统命令注入漏洞

The TOTOLINK A8000RU is a wireless router from China's Gion Electronics TOTOLINK. An operating system command injection vulnerability exists in the Totolink A8000RU version 7.1cu.643b20200521, which originates from the function /cgi-bin/cstecgi.cgi in the file /cgi-bin/cstecgi.cgi in the componen...

Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to a security bypass in pyOpenSSL [CVE-2026-27448, CVE-2026-27459]

Summary IBM Watson Speech Services Cartridge is vulnerable to a security bypass in pyOpenSSL due to a flaw allowing user provided callback to settlsextservernamecallback. This raises an unhandled exception, resulting in connections being accepted that could allow bypassing of security-sensitive...

CLSA-2026-1779181743 pyOpenSSL: Fix of CVE-2026-27448

CVE-2026-27448: fix fail-open in settlsextservernamecallback when callback raises exception...

EUVD-2024-28103

/cgi-bin/time.cgi in Atlona AT-OME-MS42 Matrix Switcher 1.1.2 allow remote authenticated users to execute arbitrary commands as root via a POST request that carries a serverName parameter...

CVE-2024-30167

/cgi-bin/time.cgi in Atlona AT-OME-MS42 Matrix Switcher 1.1.2 allow remote authenticated users to execute arbitrary commands as root via a POST request that carries a serverName parameter...

CVE-2024-30167

/cgi-bin/time.cgi in Atlona AT-OME-MS42 Matrix Switcher 1.1.2 allow remote authenticated users to execute arbitrary commands as root via a POST request that carries a serverName parameter...

CVE-2024-30167

/cgi-bin/time.cgi in Atlona AT-OME-MS42 Matrix Switcher 1.1.2 allow remote authenticated users to execute arbitrary commands as root via a POST request that carries a serverName parameter...

Security Bulletin: pyOpenSSL TLS SNI Callback Exception Handling Flaw Allows Security Bypass

Summary pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 0.14.0 and prior to version 26.0.0, if a user provided callback to settlsextservernamecallback raised an unhandled exception, this would result in a connection being accepted. If a user was relying on this...

CLSA-2026-1776098295 pyOpenSSL: Fix of CVE-2026-27448

CVE-2026-27448: fix fail-open in settlsextservernamecallback when callback raises exception...

MGASA-2026-0074 Updated python-openssl packages fix security vulnerabilities

pyOpenSSL allows TLS connection bypass via unhandled callback exception in settlsextservernamecallback. CVE-2026-27448 pyOpenSSL DTLS cookie callback buffer overflow. CVE-2026-27459...

OESA-2026-1734 pyOpenSSL security update

pyOpenSSL is a rather thin wrapper around a subset of the OpenSSL library. With thin wrapper we mean that a lot of the object methods do nothing more than calling a corresponding function in the OpenSSL library. Security Fixes: A security vulnerability exists in the PyOpenSSL library's...

OESA-2026-1731 pyOpenSSL security update

pyOpenSSL is a rather thin wrapper around a subset of the OpenSSL library. With thin wrapper we mean that a lot of the object methods do nothing more than calling a corresponding function in the OpenSSL library. Security Fixes: A security vulnerability exists in the PyOpenSSL library's...

OESA-2026-1730 pyOpenSSL security update

pyOpenSSL is a rather thin wrapper around a subset of the OpenSSL library. With thin wrapper we mean that a lot of the object methods do nothing more than calling a corresponding function in the OpenSSL library. Security Fixes: A security vulnerability exists in the PyOpenSSL library's...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : pyOpenSSL vulnerabilities (USN-8115-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8115-1 advisory. It was discovered that pyOpenSSL incorrectly handled exceptions in the tlsextservername callback. This could result in connections...

SUSE CVE-2026-27448

pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 0.14.0 and prior to version 26.0.0, if a user provided callback to settlsextservernamecallback raised an unhandled exception, this would result in a connection being accepted. If a user was relying on this callback for...