CVE-2026-45416

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...

EUVD-2025-34607

In NetX Duo version before 6.4.4, the component of Eclipse Foundation ThreadX, there was a potential out of bound read in nxsecuretlsprocessclienthello because of a missing validation of PSK length provided in the user message...

CVE-2025-52494

Adacore Ada Web Server AWS before 25.2 is vulnerable to a denial-of-service DoS condition due to improper handling of SSL handshakes during connection initialization. When a client initiates an HTTPS connection, the server performs the SSL handshake before assigning the connection to a processing...

CVE-2024-1300

A vulnerability in the Eclipse Vert.x toolkit causes a memory leak in TCP servers configured with TLS and SNI support. When processing an unknown SNI server name assigned the default certificate instead of a mapped certificate, the SSL context is erroneously cached in the server name map, leading...

SNIcat - Server Name Indication Concatenator

SNIcat is a proof of concept tool that performs data exfiltration, utilizing a covert channel method via. Server Name Indication , a TLS Client Hello Extension. The tool consists of an agent which resides on the compromised internal host, and a Command &Control Server which controls the agent and...

PT-2020-15260

Name of the Vulnerable Software and Affected Versions PAN-OS versions prior to 10.1 Description The PAN-OS URL filtering feature does not consider the Server Name Indication SNI field within the TLS Client Hello handshake when SSL/TLS Forward Proxy Decryption mode is enabled. This allows a...

CVE-2020-2035: Improper Input Validation

When SSL/TLS Forward Proxy Decryption mode has been configured to decrypt the web transactions, the PAN-OS URL filtering feature inspects the HTTP Host and URL path headers for policy enforcement on the decrypted HTTPS web transactions but does not consider Server Name Indication SNI field within...

Out-of-Bounds

Overview Affected versions of this package are vulnerable to Out-of-Bounds wolfSSL 4.0.0 has a Buffer Overflow in DoPreSharedKeys in tls13.c when a current identity size is greater than a client identity size. An attacker sends a crafted hello client packet over the network to a TLSv1.3 wolfSSL...