CVE-2026-2673 vulnerabilities

Vulnerabilities for packages: openssl, libcrypto3-2.34...

pyOpenSSL DTLS cookie callback buffer overflow

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pyOpenSSL allows TLS connection bypass via unhandled callback exception in set_tlsext_servername_callback

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K000160399: Node.js vulnerability CVE-2025-59464

Security Advisory Description A memory leak in Node.js’s OpenSSL integration occurs when converting X.509 certificate fields to UTF-8 without freeing the allocated buffer. When applications call socket.getPeerCertificatetrue, each certificate field leaks memory, allowing remote clients to trigger...

SUSE CVE-2026-27459

pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to setcookiegeneratecallback returned a cookie value greater than 256 bytes, pyOpenSSL would overflow an OpenSSL provided buffer. Starting in version 26.0....

OPENSUSE-SU-2026:10392-1 python311-pyOpenSSL-26.0.0-1.1 on GA media

These are all security issues fixed in the python311-pyOpenSSL-26.0.0-1.1 package on the GA media of openSUSE Tumbleweed...

PT-2026-26365

Name of the Vulnerable Software and Affected Versions wolfssl affected versions not specified Description An integer overflow issue was identified in the wolfssl add to chain function, leading to heap corruption when certificate data exceeded the bounds of the certificate buffer. The function is...

Exploit for Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Openssl

🔐 SSH Exploit Tool Educational Use Only 📌 Description Th...

Exploit for Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Openssl

🔐 SSH Exploit Tool Educational Use Only 📌 Description Th...

RHSA-2026:4825 Red Hat Security Advisory: compat-openssl11 security update

Bulletin has no description...

RHSA-2026:4824 Red Hat Security Advisory: compat-openssl11 security update

Bulletin has no description...

DEBIAN-CVE-2026-27459

pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to setcookiegeneratecallback returned a cookie value greater than 256 bytes, pyOpenSSL would overflow an OpenSSL provided buffer. Starting in version 26.0....

PYSEC-2026-2269

pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to setcookiegeneratecallback returned a cookie value greater than 256 bytes, pyOpenSSL would overflow an OpenSSL provided buffer. Starting in version 26.0....

DEBIAN-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...

CVE-2026-27459

pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to setcookiegeneratecallback returned a cookie value greater than 256 bytes, pyOpenSSL would overflow an OpenSSL provided buffer. Starting in version 26.0....

RHEL 9 : compat-openssl11 (RHSA-2026:4824)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:4824 advisory. The OpenSSL toolkit provides support for secure communications between machines. This version of OpenSSL package contains only the libraries from the...

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...

CVE-2026-27459

pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to setcookiegeneratecallback returned a cookie value greater than 256 bytes, pyOpenSSL would overflow an OpenSSL provided buffer. Starting in version 26.0....

CVE-2026-27459 pyOpenSSL DTLS cookie callback buffer overflow

pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to setcookiegeneratecallback returned a cookie value greater than 256 bytes, pyOpenSSL would overflow an OpenSSL provided buffer. Starting in version 26.0....

CVE-2026-27459

pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to setcookiegeneratecallback returned a cookie value greater than 256 bytes, pyOpenSSL would overflow an OpenSSL provided buffer. Starting in version 26.0....