qemu-kvm: VNC WebSocket handshake use-after-free

A flaw was found in QEMU. If the QIOChannelWebsock object is freed while it is waiting to complete a handshake, a GSource is leaked. This can lead to the callback firing later on and triggering a use-after-free in the use of the channel. This can be abused by a malicious client with network acces...

Huawei EulerOS: Security Advisory for libwebsockets (EulerOS-SA-2025-2525)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

github.com/quic-go/quic-go: quic-go Crash Due to Premature HANDSHAKE_DONE Frame

A denial of service flaw has been discovered in the quic-go golang library. A misbehaving or malicious server can cause a denial-of-service DoS attack on the quic-go client by triggering an assertion failure, leading to a process crash. This requires no authentication and can be exploited during...

Important: Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.5 Product Security and Bug Fix Update

An update is now available for Red Hat Ansible Automation Platform 2.5 Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

RHEL 8 / 9 : Red Hat Ansible Automation Platform 2.5 Product Security and Bug Fix Update (Important) (RHSA-2025:23069)

The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23069 advisory. Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT...

PT-2026-2507

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's networking subsystem related to handshake cancellations. Specifically, duplicate cancellation requests for the same handshake request can lead to a...

BIT-MONGODB-2025-12893 Improper Certificate Validation May Allow Successful TLS Handshaking Despite Invalid Extended Key Usage Fields in MongoDB Server

Clients may successfully perform a TLS handshake with a MongoDB server despite presenting a client certificate not aligning with the documented Extended Key Usage EKU requirements. A certificate that specifies extendedKeyUsage but is missing extendedKeyUsage = clientAuth may still be successfully...

Debian dsa-6066 : gnome-shell-extension-gsconnect - security update

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6066 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6066-1 [email protected] https://www.debian.org/security/ Moritz...

Debian dsa-6063 : kdeconnect - security update

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6063 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6063-1 [email protected] https://www.debian.org/security/ Moritz...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libwebsockets (UTSA-2025-991026)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-991026 advisory. Use After Free in WebSocket server implementation in lwshandshakeserver in warmcat libwebsockets may allow an attacker, in specific configurations where the user...

CLSA-2025-1764580671 pki-servlet-engine: Fix of 2 CVEs

CVE-2024-50379: fix TOCTOU vulnerability in JSP compilation to prevent RCE on case insensitive file systems - CVE-2024-38286: fix issue of resource allocation without limits or throttling vulnerability in TLS handshake process - Apply skip-common-daemon patch to remove the commons-daemon.jar copy...

[SECURITY] [DSA 6063-1] kdeconnect security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6063-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff November 26, 2025 https://www.debian.org/security/faq -...

CVE-2025-12383

In Eclipse Jersey versions 2.45, 3.0.16, 3.1.9 a race condition can cause ignoring of critical SSL configurations - such as mutual authentication, custom key/trust stores, and other security settings. This issue may result in SSLHandshakeException under normal circumstances, but under certain...

CVE-2025-12893 Improper Certificate Validation May Allow Successful TLS Handshaking Despite Invalid Extended Key Usage Fields in MongoDB Server

Clients may successfully perform a TLS handshake with a MongoDB server despite presenting a client certificate not aligning with the documented Extended Key Usage EKU requirements. A certificate that specifies extendedKeyUsage but is missing extendedKeyUsage = clientAuth may still be successfully...

SUSE CVE-2025-65497

NULL pointer dereference in coapdtlsgeneratecookie in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSLgetSSLCTX to return NULL...

SUSE CVE-2025-65498

NULL pointer dereference in coapdtlsgeneratecookie in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSLgetSSLCTX to return NULL...

SUSE CVE-2025-65499

Array index error in tlsverifycallback in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSLgetexdataX509STORECTXidx to return -1...

SUSE CVE-2025-65500

NULL pointer dereference in coapdtlsgeneratecookie in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSLgetSSLCTX to return NULL...

PT-2025-47988

Name of the Vulnerable Software and Affected Versions MongoDB Server versions prior to 7.0.26 MongoDB Server versions prior to 8.0.16 MongoDB Server versions prior to 8.2.2 Description A MongoDB server may incorrectly establish TLS handshakes with clients or servers presenting certificates that d...

PT-2026-26956

Name of the Vulnerable Software and Affected Versions libsoup affected versions not specified Description A use-after-free issue exists in libsoup's SoupServer. Specifically, the soup server disconnect function can free connection objects before a TLS handshake is finished. If the handshake...