Security Bulletin:Netty Vulnerability: IndexOutOfBoundsException in SslClientHelloHandler Leading to Mutual TLS Bypass

Summary Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Fina and 4.2.17.Final, io.netty.handler.ssl.SslClientHelloHandlerdecode checks the wrong offset before reading the four-byte TLS handshake header, so a ClientHello whose handshake header spans records c...

CVE-2026-106105 Quasar Framework: Development TLS private keys are cached with overly permissive filesystem permissions

Quasar Framework is a framework for building high-performance Vue.js user interfaces. Prior to @quasar/ssl-certificate 2.1.0, @quasar/cli 5.0.4, and @quasar/app-vite 3.3.0, the @quasar/ssl-certificate utility cached a combined private key and certificate PEM without explicitly applying owner-only...

CVE-2026-106105 Quasar Framework: Development TLS private keys are cached with overly permissive filesystem permissions

Quasar Framework is a framework for building high-performance Vue.js user interfaces. Prior to @quasar/ssl-certificate 2.1.0, @quasar/cli 5.0.4, and @quasar/app-vite 3.3.0, the @quasar/ssl-certificate utility cached a combined private key and certificate PEM without explicitly applying owner-only...

CVE-2026-106105

The Quasar Framework contains a vulnerability where the @quasar/ssl-certificate utility caches combined private keys and certificates without applying owner-only filesystem permissions . This occurs in versions prior to @quasar/ssl-certificate 2.1.0, @quasar/cli 5.0.4, and @quasar/app-vite 3.3.0....

DNS-Poisoning-Triage-Lab

DNS and ARP Traffic Triage Lab An educational packet-analysis and resolver-hardening exercise completed on an Arch Linux workstation. Scope: This repository is a learning project. The included capture is useful for practicing DNS and ARP inspection, but it does not by itself prove a live...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

CVE-2026-79551-Tenda

CVE-2026-79551 مفتاح TLS الخاص المُضمَّن في Tenda معرّف CNVD: CNVD-2026-25884 الجهة المصنّعة: Tenda Technology Co., Ltd. المنتج: مسجّل فيديو شبكي NVR4H إصدار العتاد CH3V2.1 البرنامج الثابت: V27.5.58.6 التصنيف: CWE-321 — استخدام مفتاح تشفيري مُضمَّن نظرة عامة يخزّن البرنامج الثابت لـ NVR4H زوج...

CVE-2026-105794 MsQuic: Improper Certificate Validation in Microsoft.Native.Quic.MsQuic.OpenSSL

MsQuic is a cross-platform C implementation of the IETF QUIC protocol exposed to C, C++, C, and Rust. Prior to 2.4.20, 2.5.11, and 2.6.1, MsQuic clients using the OpenSSL or QuicTLS TLS backend do not properly verify that a server certificate matches the intended target server hostname. An on-pat...

CVE-2026-105794

MsQuic , a cross-platform C implementation of the IETF QUIC protocol, contains an improper certificate validation vulnerability (CWE-295) in versions prior to 2.4.20, 2.5.11, and 2.6.1 . When using the OpenSSL or QuicTLS TLS backends, the software fails to verify that a server certificate matches...

heartbleed-vulnerability-exploitation

heartbleed-vulnerability-exploitation Description hands on investigation of the Heartbleed vulnerability CVE-2014-0160. Summary this lab documents a hands-on investigation of the Heartbleed vulnerability, a critical flaw in OpenSSL's implementation of the TLS heartbeat extension. the goal was to...

heartbleed-lab

Heartbleed Lab Educational laboratory for studying the Heartbleed vulnerability CVE-2014-0160 using a real vulnerable OpenSSL environment inside Docker. This project reproduces a vulnerable TLS server using OpenSSL 1.0.1f and implements a custom raw TLS heartbeat client to demonstrate how malform...

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...

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-2026-0257

CVE-2026-0257: GlobalProtect Authentication Bypass Overview This exploit achieves unauthenticated VPN access to a Palo Alto GlobalProtect gateway/portal by forging an authentication cookie using only the server's publicly available TLS certificate. The Core Vulnerability Why It Works GlobalProtec...

SUSE-SU-2026:4544-1 Security update for libtcnative-1-0, tomcat11

This update for libtcnative-1-0, tomcat11 fixes the following issues: Security issues fixed: libtcnative-1-0: - CVE-2026-86243: buffer overread during the TLS handshake permits a malicious user to trigger a DoS via a JVM crash bsc1282623. - CVE-2026-86246: insecure ALLOWCLIENTRENEGOTIATION,...

DEBIAN-CVE-2026-98274

In the Linux kernel, the following vulnerability has been resolved: net: psp: avoid conflicts with skb-decrypted and skvalidatexmitskb PSP conflicts with TLS ULP in its usage of both skb-decrypted and sk-skvalidatexmitskb. Make PSP mutually exclusive with TLS ULP, the only other user of either of...

CVE-2026-98274

In the Linux kernel, the following vulnerability has been resolved: net: psp: avoid conflicts with skb-decrypted and skvalidatexmitskb PSP conflicts with TLS ULP in its usage of both skb-decrypted and sk-skvalidatexmitskb. Make PSP mutually exclusive with TLS ULP, the only other user of either of...

CVE-2026-98274

In the Linux kernel, the following vulnerability has been resolved: net: psp: avoid conflicts with skb-decrypted and skvalidatexmitskb PSP conflicts with TLS ULP in its usage of both skb-decrypted and sk-skvalidatexmitskb. Make PSP mutually exclusive with TLS ULP, the only other user of either of...