CVE-2026-5503

In TLSXEchChangeSNI, the ctx-extensions branch set extensions unconditionally even when TLSXFind returned NULL. This caused TLSXUseSNI to attach the attacker-controlled publicName to the shared WOLFSSLCTX when no inner SNI was configured. TLSXEchRestoreSNI then failed to clean it up because its...

ALPINE-CVE-2026-1584

A flaw was found in gnutls. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted ClientHello message with an invalid Pre-Shared Key PSK binder value during the TLS handshake. This can lead to a NULL pointer dereference, causing the server to crash and...

CVE-2026-1584

The CVE-2026-1584 entry concerns gnutls. A remote, unauthenticated attacker can trigger a NULL pointer dereference during TLS via a crafted ClientHello that has an invalid PSK binder, causing a server crash and remote DoS. Connected documents confirm this vulnerability across multiple sources (NV...

CVE-2026-1584 Gnutls: gnutls: remote denial of service via crafted clienthello with invalid psk binder

A flaw was found in gnutls. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted ClientHello message with an invalid Pre-Shared Key PSK binder value during the TLS handshake. This can lead to a NULL pointer dereference, causing the server to crash and...

CVE-2026-1584 Gnutls: gnutls: remote denial of service via crafted clienthello with invalid psk binder

A flaw was found in gnutls. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted ClientHello message with an invalid Pre-Shared Key PSK binder value during the TLS handshake. This can lead to a NULL pointer dereference, causing the server to crash and...

PT-2026-31816

Name of the Vulnerable Software and Affected Versions WolfSSL affected versions not specified Description The TLSX EchChangeSNI function incorrectly set extensions even when TLSX Find returned NULL. This allowed TLSX UseSNI to attach an attacker-controlled publicName to the shared WOLFSSL CTX whe...

EUVD-2026-20340

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in telepathy Hello Bar Popup Builder hellobar allows DOM-Based XSS.This issue affects Hello Bar Popup Builder: from n/a through = 1.5.1...

CVE-2026-39666

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in telepathy Hello Bar Popup Builder hellobar allows DOM-Based XSS.This issue affects Hello Bar Popup Builder: from n/a through = 1.5.1...

CVE-2026-39666

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in telepathy Hello Bar Popup Builder hellobar allows DOM-Based XSS.This issue affects Hello Bar Popup Builder: from n/a through = 1.5.1...

CVE-2026-39666 WordPress Hello Bar Popup Builder plugin <= 1.5.1 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in telepathy Hello Bar Popup Builder hellobar allows DOM-Based XSS.This issue affects Hello Bar Popup Builder: from n/a through = 1.5.1...

CVE-2026-39666

The CVE concerns the WordPress plugin Hello Bar Popup Builder by telepathy, affected versions are up to and including 1.5.1. It reports a DOM-Based XSS due to improper input neutralization during web page generation, enabling cross-site scripting. Impact is described as Cross-Site Scripting with ...

CVE-2026-39666 WordPress Hello Bar Popup Builder plugin <= 1.5.1 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in telepathy Hello Bar Popup Builder hellobar allows DOM-Based XSS.This issue affects Hello Bar Popup Builder: from n/a through = 1.5.1...

WordPress plugin Hello Bar Popup Builder 安全漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application that can be install...

PT-2026-31228

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in telepathy Hello Bar Popup Builder hellobar allows DOM-Based XSS.This issue affects Hello Bar Popup Builder: from n/a through = 1.5.1...

EUVD-2026-18218

uTLS ServerHellos are accepted without checking TLS 1.3 downgrade canaries...

CVE-2026-3849

Stack Buffer Overflow in wcHpkeLabeledExtract via Oversized ECH Config. A vulnerability existed in wolfSSL 5.8.4 ECH Encrypted Client Hello support, where a maliciously crafted ECH config could cause a stack buffer overflow on the client side, leading to potential remote execution and client...

CVE-2026-3549

Heap Overflow in TLS 1.3 ECH parsing. An integer underflow existed in ECH extension parsing logic when calculating a buffer length, which resulted in writing beyond the bounds of an allocated buffer. Note that in wolfSSL, ECH is off by default, and the ECH standard is still evolving...

GO-2026-4793 Traefik has a Potential mTLS Bypass via Fragmented TLS ClientHello Causing Pre-SNI Sniff Fallback to Default Non-mTLS TLS Config in github.com/traefik/traefik

Traefik has a Potential mTLS Bypass via Fragmented TLS ClientHello Causing Pre-SNI Sniff Fallback to Default Non-mTLS TLS Config in github.com/traefik/traefik...

SUSE CVE-2026-32305

Traefik is an HTTP reverse proxy and load balancer. Versions 2.11.40 and below, 3.0.0-beta1 through 3.6.11, and 3.7.0-ea.1 are vulnerable to mTLS bypass through the TLS SNI pre-sniffing logic related to fragmented ClientHello packets. When a TLS ClientHello is fragmented across multiple records,...

CVE-2026-3230

A flaw was found in wolfSSL. A remote attacker could exploit a missing cryptographic step in the Transport Layer Security TLS 1.3 client HelloRetryRequest handshake logic. By sending a crafted HelloRetryRequest followed by a ServerHello message that omits the required keyshare extension, an...