Astra Linux – Vulnerability in Firefox

In certain cases, SNI could be sent unencrypted even when encrypted DNS was enabled. This vulnerability was fixed in Firefox 139 and Thunderbird 139...

tomcat: Client certificate verification bypass due to virtual host mapping

A certificate validation flaw has been found in Apache Tomcat. omcat did not validate that the host name provided via the SNI extension was the same as the host name provided in the HTTP host header field. If Tomcat was configured with more than one virtual host and the TLS configuration for one ...

openSUSE 16: tomcat / tomcat-admin-webapps / tomcat-el-3_0-api / tomcat-embed / etc (openSUSE-SU-2026:21823-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21823-1 advisory. - CVE-2026-65182: Bypass longest prefix security constraint bsc1276893. - CVE-2026-65183: TOCTOU when setting specific permissions for Unix Doma...

Security update for tomcat

This update for tomcat fixes the following issues: CVE-2026-65182: Apache Tomcat: Bypass longest prefix security constraint bsc1276893. CVE-2026-65183: Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets bsc1276894. CVE-2026-65637: Apache Tomcat: HTTP/2 no-authority...

Security update for tomcat11

This update for tomcat11 fixes the following issues: CVE-2026-65182: Apache Tomcat: Bypass longest prefix security constraint bsc1276893. CVE-2026-65183: Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets bsc1276894. CVE-2026-65637: Apache Tomcat: HTTP/2 no-authority...

SUSE-SU-2026:4114-1 Security update for tomcat11

This update for tomcat11 fixes the following issues: - CVE-2026-65182: Apache Tomcat: Bypass longest prefix security constraint bsc1276893. - CVE-2026-65183: Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets bsc1276894. - CVE-2026-65637: Apache Tomcat: HTTP/2...

Improper Authorization

Netty is vulnerable to Improper Authentication. The vulnerability is due to incorrect offset validation when processing fragmented TLS ClientHello handshake headers, which allows an unauthenticated remote attacker to bypass SNI-specific mutual TLS authentication when no additional certificate...

GHSA-C4C3-7FPV-J4Q5 Netty: SNI Routing Bypass via Fragmented TLS ClientHello Causing Fallback to Default SslContext

Summary A fragmented TLS ClientHello whose handshake header spans multiple records makes Netty silently fall back to the default SslContext; where per-SNI selection is the sole mTLS gate, an unauthenticated attacker can bypass the route's mTLS requirement. Details In...

Netty: SNI Routing Bypass via Fragmented TLS ClientHello Causing Fallback to Default SslContext

Summary A fragmented TLS ClientHello whose handshake header spans multiple records makes Netty silently fall back to the default SslContext; where per-SNI selection is the sole mTLS gate, an unauthenticated attacker can bypass the route's mTLS requirement. Details In...

EUVD-2026-63095

Netty: SNI Routing Bypass via Fragmented TLS ClientHello Causing Fallback to Default SslContext...

EUVD-2026-71791

ntop nDPI versions before 6.0 contain a heap buffer overflow vulnerability in the ndpijsonstringescape function that writes beyond caller-supplied buffer boundaries. Attackers can trigger the overflow by supplying crafted network packet data including TLS SNI, HTTP headers, or DNS names that reac...

Linux Distros Unpatched Vulnerability : CVE-2026-86098

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ntop nDPI versions before 6.0 contain a heap buffer overflow vulnerability in the ndpijsonstringescape function that writes beyond caller-supplied buffer...

CVE-2026-86098

ntop nDPI versions before 6.0 contain a heap buffer overflow vulnerability in the ndpijsonstringescape function that writes beyond caller-supplied buffer boundaries. Attackers can trigger the overflow by supplying crafted network packet data including TLS SNI, HTTP headers, or DNS names that reac...

MasterHttpRelayVPN-RUST v1.9.37

mhrv-rs — bypass censorship for free, with your own Google account A small program that runs on your computer and lets you visit blocked websites for free, using a Google Apps Script you deploy in your own free Google account. Your ISP only sees encrypted traffic towww.google.com — it can't tell...

CVE-2026-86098: Out-of-bounds Write

ntop nDPI versions before 6.0 contain a heap buffer overflow vulnerability in the ndpijsonstringescape function that writes beyond caller-supplied buffer boundaries. Attackers can trigger the overflow by supplying crafted network packet data including TLS SNI, HTTP headers, or DNS names that reac...

PT-2026-91808

ntop nDPI versions before 6.0 contain a heap buffer overflow vulnerability in the ndpi json string escape function that writes beyond caller-supplied buffer boundaries. Attackers can trigger the overflow by supplying crafted network packet data including TLS SNI, HTTP headers, or DNS names that...

tomcat: Apache Tomcat: Improper Input Validation allows HTTP/2 no-authority bypass of strict SNI validation

A flaw was found in Apache Tomcat. This improper input validation vulnerability, stemming from an incomplete fix for CVE-2026-32990, allows for an HTTP/2 no-authority bypass of strict Server Name Indication SNI validation. This could potentially lead to unauthorized access or misrouting of reques...

CVE-2026-65637

A flaw was found in Apache Tomcat. This improper input validation vulnerability, stemming from an incomplete fix for CVE-2026-32990, allows for an HTTP/2 no-authority bypass of strict Server Name Indication SNI validation. This could potentially lead to unauthorized access or misrouting of...

BIT-TOMCAT-2026-65637 Apache Tomcat: HTTP/2 no-authority bypass of strict SNI validation - CVE-2026-32990 fix incomplete

Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990. This issue affects Apache Tomcat: from 11.0.20 through 11.0.24, from 10.1.53 through 10.1.57, from 9.0.115 through 9.0.120. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121,...

Security Bulletin: IBM Integrated Analytics System (IIAS) is affected by multiple vulnerabilities due to pyOpenSSL

Summary pyOpenSSL is used by IBM Integrated Analytics System as a Python wrapper around the OpenSSL library for SSL/TLS functionality. Multiple vulnerabilities affect pyOpenSSL versions prior to 26.0.0. CVE-2026-27448 involves a "fail open" behavior where an unhandled exception in a user-provided...