JLSEC-2026-737 TLS 1.3 post-handshake authentication (PHA) issue where a server could accept a client's Finished...

TLS 1.3 post-handshake authentication PHA issue where a server could accept a client's Finished message without the client having sent a Certificate and CertificateVerify. The post-handshake-auth exemption that allows an empty/absent peer certificate was only intended for the initial handshake, b...

JLSEC-2026-718 Heap buffer overflow in DTLS 1.3 ACK message processing

Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow...

JLSEC-2026-743 When `HAVE_ENCRYPT_THEN_MAC` is configured, the implementation could fall back to MAC-then-Encrypt...

When HAVEENCRYPTTHENMAC is configured, the implementation could fall back to MAC-then-Encrypt rather than enforcing Encrypt-then-MAC...

CVE-2026-48069 @grpc/grps-js: An incoming malformed compressed message can cause a client or server crash

@grpc/grps-js implements the core functionality of gRPC purely in JavaScript, without a C++ addon. Prior to 1.9.16, 1.10.12, 1.11.4, 1.12.7, 1.13.5, and 1.14.4, an invalid incoming compressed message can cause a client or server process that uses @grpc/grpc-js to crash. This issue is fixed in...

CVE-2026-15058

Improper authorization in the secure messages deletion endpoint in Devolutions Server 2026.2.11, 2026.1.22 allows an authenticated user to delete another user's messages via a direct object reference to the message identifier...

Important: Red Hat Security Advisory: pacemaker security update

An update for pacemaker is now available for Red Hat Enterprise Linux 9. 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...

pacemaker: Pacemaker: Denial of Service via integer overflow in remote message decompression

A flaw was found in Pacemaker. An unauthenticated remote attacker can exploit an integer overflow vulnerability in the remote message decompression process. By sending a specially crafted compressed remote message before authentication, an attacker can cause memory corruption, leading to a denial...

Cross-site Scripting (XSS)

Overview alextselegidis/easyappointments is a powerful Open Source Appointment Scheduler that can be installed on your server. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the disablebookingmessage setting, which is rendered as raw HTML on the public booking...

EUVD-2026-44068

Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over a network...

EUVD-2026-44013

Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code locally...

CVE-2026-57089

Use after free in Windows SMB Server Network Transport Driver srvnet.sys allows an unauthorized attacker to execute code over a network...

CVE-2026-50690

Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally...

CVE-2026-50505

Use after free in Windows Message Queuing allows an authorized attacker to execute code over a network...

CVE-2026-50447

Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over a network...

CVE-2026-50439

Use after free in Microsoft Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network...

CVE-2026-50360

Incorrect implementation of authentication algorithm in Windows SMB Server allows an authorized attacker to elevate privileges over a network...

Vulnerabilities in Microsoft Windows

Microsoft has fixed a very large number of vulnerabilities in Windows. A malicious actor could exploit these vulnerabilities to carry out attacks that could result in the types of damage listed in the table below. The most serious vulnerabilities have the following identifiers: CVE-2026-49172,...

GO-2026-5942 Parsing an invalid SVCB or HTTPS RR can panic in golang.org/x/net/dns/dnsmessage

Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer...

CVE-2026-54992

Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code locally...

CVE-2026-58531

CVE-2026-58531 is a Windows SMB elevation-of-privilege vulnerability caused by a race condition in a shared resource. It affects Windows SMB components and enables an authorized attacker to elevate privileges over the network. CVSS v3.1 base score 7.5 (NETWORK, HIGH impact), per Microsoft’s advis...