cve-2021-34558

PoC para CVE-2021-34558 root@kitploit: 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 Hay una modificación menor en ./vendor/github.com/refraction-networking/utls/handshakeserver.go para permit...

explain-my-curl

explain-my-curl explain-my-curl is a local-first CLI for understanding what a curl command is doing across DNS, TLS, and HTTP. This repository currently includes: A CLI command to parse and explain a curl input A starter TUI for interactive exploration Execution telemetry for DNS, TCP connect, TL...

CVE-2014-3466_PoC

Prueba de concepto para CVE-2014-3466 desbordamiento de búfer en GnuTLS: comprobación de longitud del id de sesión Información Ver: https://bugzilla.redhat.com/showbug.cgi?id=1101932 Esto no es un exploit armado. Aviso: este código Python es feo, básicamente construí el ServerHello a mano y solo...

Linux Distros Unpatched Vulnerability : CVE-2026-89536

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - SUNRPC: wait for in-flight client TLS handshake callback xstlshandshakesync gives xstlshandshakedone a reference to the lower transport before submitting the...

secret_handshake

Secret Handshake - A Malware C2 Channel Using x509 Certs Over mTLS Motivation First off, why would I open source this? MITRE ATT&CK only talks about stolen or self-signed certs, and NDRs as far as I can tell pay very little attention to the content of x509 certificates outside of who is the issui...

CVE-2026-89536

A flaw was found in the Linux kernel's SUNRPC Sun Remote Procedure Call client TLS Transport Layer Security handshake process. A race condition exists where a reference to the lower transport can be prematurely released during handshake cancellation. This can lead to memory corruption, potentiall...

DEBIAN-CVE-2026-89536

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: wait for in-flight client TLS handshake callback xstlshandshakesync gives xstlshandshakedone a reference to the lower transport before submitting the handshake request. On timeout or signal, the synchronous waiter drops...

AZL-100475 CVE-2026-89536 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: wait for in-flight client TLS handshake callback xstlshandshakesync gives xstlshandshakedone a reference to the lower transport before submitting the handshake request. On timeout or signal, the synchronous waiter drops...

CVE-2026-89536

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: wait for in-flight client TLS handshake callback xstlshandshakesync gives xstlshandshakedone a reference to the lower transport before submitting the handshake request. On timeout or signal, the synchronous waiter drops...

CVE-2026-89536 SUNRPC: wait for in-flight client TLS handshake callback

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: wait for in-flight client TLS handshake callback xstlshandshakesync gives xstlshandshakedone a reference to the lower transport before submitting the handshake request. On timeout or signal, the synchronous waiter drops...

CVE-2026-89536 SUNRPC: wait for in-flight client TLS handshake callback

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: wait for in-flight client TLS handshake callback xstlshandshakesync gives xstlshandshakedone a reference to the lower transport before submitting the handshake request. On timeout or signal, the synchronous waiter drops...

EUVD-2026-76442

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: wait for in-flight client TLS handshake callback xstlshandshakesync gives xstlshandshakedone a reference to the lower transport before submitting the handshake request. On timeout or signal, the synchronous waiter drops...

CVE-2026-89536

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: wait for in-flight client TLS handshake callback xstlshandshakesync gives xstlshandshakedone a reference to the lower transport before submitting the handshake request. On timeout or signal, the synchronous waiter drops...

CVE-2026-89536

CVE-2026-89536 is a race condition in the Linux kernel SUNRPC subsystem's client TLS handshake process. When a handshake is cancelled due to a timeout or signal, the synchronous waiter can prematurely drop the reference to the lower transport if the completion callback is still in flight, leading...

PT-2026-90252

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: wait for in-flight client TLS handshake callback xs tls handshake sync gives xs tls handshake done a reference to the lower transport before submitting the handshake request. On timeout or signal, the synchronous waiter...

netty-handler: Netty: Denial of Service due to eager buffer allocation in TLS handshake

A flaw was found in Netty, a network application framework. A remote attacker can exploit this vulnerability by sending a crafted TLS Transport Layer Security ClientHello message. This can lead to an eager allocation of a large memory buffer, causing a Denial of Service DoS due to excessive memor...

netty-handler: Netty: Denial of Service due to eager buffer allocation in TLS handshake

A flaw was found in Netty, a network application framework. A remote attacker can exploit this vulnerability by sending a crafted TLS Transport Layer Security ClientHello message. This can lead to an eager allocation of a large memory buffer, causing a Denial of Service DoS due to excessive memor...

CVE-2026-57163

A flaw was found in PJSIP. A stack buffer overflow exists in the GnuTLS TLS backend when parsing the Subject Alternative Name extension of a peer certificate. A remote attacker can exploit this by presenting a specially crafted certificate during the TLS handshake, before SIP-level authentication...

EUVD-2026-63092

Netty: Fragmented ClientHello records trigger quadratic pre-handshake reassembly in default SNI parsing...

CVE-2026-8932

🚨 CVE-2026-8932 - El Error de Seguridad más Antiguo de libcurl Coincidencia de Configuración mTLS Incompleta en libcurl La vulnerabilidad de seguridad más antigua jamás corregida en libcurl—permaneciendo inadvertida durante más de 25 años. 📖 Resumen CVE-2026-8932 es una vulnerabilidad de segurida...