crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

CVE-2026-39304 Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Incorrect handling of TLSv1.3 KeyUpdate can be exploited to cause DoS via OOM

Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ. ActiveMQ NIO SSL transports do not correctly handle TLSv1.3 handshake KeyUpdates triggered by clients. This makes it possible for a client to rapidly trigger updates which causes...

CVE-2026-34873

An issue was discovered in Mbed TLS 3.5.0 through 4.0.0. Client impersonation can occur while resuming a TLS 1.3 session...

MiracleLinux 9 : openssl-3.2.2-6.el9.ML.1 (AXSA:2024-9111:08)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-9111:08 advisory. openssl: Unbounded memory growth with session handling in TLSv1.3 CVE-2024-2511 openssl: Excessive time spent checking DSA keys and parameters...

Security update for nginx

This update for nginx fixes the following issues: CVE-2025-53859: the server side may leak arbitrary bytes during the NGINX SMTP authentication process bsc1248070. CVE-2025-23419: session resumption can bypass client certificate authentication requirements using TLSv1.3 bsc1236851. Patch...

CVE-2025-20127 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software for Firepower 3100 and 4200 Series TLS Cipher Denial of Service Vulnerability

A vulnerability in the TLS 1.3 implementation for a specific cipher for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software for Cisco Firepower 3100 and 4200 Series devices could allow an authenticated, remote attacker to consume...

DEBIAN-CVE-2024-5971

A vulnerability was found in Undertow, where the chunked response hangs after the body was flushed. The response headers and body were sent but the client would continue waiting as Undertow does not send the expected 0\r\n termination of the chunked response. This results in uncontrolled resource...

AZL-78543 CVE-2024-2511 affecting package openssl-fips-provider 3.1.2-1

Issue summary: Some non-default TLS server configurations can cause unbounded memory growth when processing TLSv1.3 sessions Impact summary: An attacker may exploit certain server configurations to trigger unbounded memory growth that would lead to a Denial of Service This problem can occur in...

UBUNTU-CVE-2024-28755

An issue was discovered in Mbed TLS 3.5.x before 3.6.0. When an SSL context was reset with the mbedtlssslsessionreset API, the maximum TLS version to be negotiated was not restored to the configured one. An attacker was able to prevent an Mbed TLS server from establishing any TLS 1.3 connection,...

Security Advisory 2022-10-04-1 - wolfSSL buffer overflow during a TLS 1.3 handshake (CVE-2022-39173)

DESCRIPTION In wolfSSL before 5.5.1, malicious clients can cause a buffer overflow on server during a TLS 1.3 handshake. This occurs when an attacker supposedly resumes a previous TLS session. During the resumption Client Hello a Hello Retry Request must be triggered. Both Client Hellos are...

SUSE-SU-2020:3460-1 Security update for java-1_8_0-openjdk

This update for java-180-openjdk fixes the following issues: - Fix regression '8250861: Crash in MinINode::IdealPhaseGVN, bool', introduced in October 2020 CPU. - Update to version jdk8u272 icedtea 3.17.0 July 2020 CPU, bsc1174157, and October 2020 CPU, bsc1177943 New features + JDK-8245468: Add...

TLS Version 1.3 Protocol Detection

The remote service accepts connections encrypted using TLS 1.3. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid138330; scriptversion"1.3"; scriptsetattributeattribute:"pluginmodificationdate", value:"2026/04/13"; scriptnameenglish:"TLS Version 1.3 Protocol Detection"...

DEBIAN-CVE-2019-0215

In Apache HTTP Server 2.4 releases 2.4.37 and 2.4.38, a bug in modssl when using per-location client certificate verification with TLSv1.3 allowed a client to bypass configured access control restrictions...