On-Prem Microsoft Exchange Server CVE-2026-42897 Exploited via Crafted Email

Microsoft has disclosed a new security vulnerability impacting on-premise versions of Exchange Server that it said has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-42897 CVSS score: 8.1, has been described as a spoofing bug stemming from a cross-site scriptin...

CVE-2026-44484

A flaw was found in PyTorch Lightning. This deep learning framework introduced functionality that could be leveraged as a credential harvesting mechanism. A remote attacker could exploit this to obtain sensitive user credentials, leading to significant information disclosure and potential further...

SUSE CVE-2026-33378

Using the $timeGroup macro, one can achieve an OOM by overloading the server. This requires a SQL datasource. If the server is set up to auto-restart, the impact is minimal or non-existent, as the attack can take upwards of half an hour to crash the server...

Fedora 42 : kernel (2026-8b4a8d18d2)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-8b4a8d18d2 advisory. The 6.19.14-104 kernel update contains a fix for the keysign-pwn vulnerability CVE-2026-46333 as well as a mitigation for one more code path of fragnesia. --...

Fedora 43 : kernel (2026-03be3dc34b)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-03be3dc34b advisory. The 7.0.8 stable kernel update contains a fix for the keysign-pwn vulnerability CVE-2026-46333 as well as a mitigation for one more code path of fragnesia...

Nuvoton ECHD Key Security Update

Nuvoton has informed HP of a potential security vulnerability identified in Nuvoton TPM NPCT7xx models used in certain HP PC products, which might allow information disclosure. Nuvoton has released firmware mitigation for the potential vulnerability. HP has identified affected platforms and...

Security Analysis of a Communication Protocol: MQTT

This paper analyzes the security of the Message Queuing Telemetry Transport MQTT protocol in the context of the Internet of Things IoT. The main objective consists of identifying vulnerabilities and proposing security improvements. Adopting a hybrid methodology, a theoretical review was combined...

Fedora 44 : kernel (2026-2aeb7d033a)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-2aeb7d033a advisory. The 7.0.8 stable kernel update contains a fix for the keysign-pwn vulnerability CVE-2026-46333 as well as a mitigation for one more code path of fragnesia...

firefox: thunderbird: Mitigation bypass in the File Handling component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the File Handling component...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...

Default kuma-cp leaks admin token cross-origin via CORS wildcard + LocalhostIsAdmin

Summary Default kuma-cp config leaks the admin bootstrap token and signing keys to any webpage the operator visits while the control plane is reachable from their browser. CorsAllowedDomains: "." reflects any Origin, and LocalhostIsAdmin: true promotes requests from 127.0.0.1 to mesh-system:admin...

firefox: thunderbird: Mitigation bypass in the File Handling component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the File Handling component...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...

firefox: thunderbird: Mitigation bypass in the File Handling component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the File Handling component...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...

firefox: thunderbird: Mitigation bypass in the File Handling component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the File Handling component...

EUVD-2026-30410

OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, a signed integer overflow in QueryRGBBufferSizeInternal in DPXColorConverter.cpp leads to a heap-based out-of-bounds write when...

python: cpython: Python: Arbitrary code execution via command injection in webbrowser.open() API

A flaw was found in the Python webbrowser.open API. If a specially crafted URL containing "%action" is processed, an attacker could bypass a previous mitigation for CVE-2026-4519. This bypass allows for command injection into the underlying shell, potentially leading to arbitrary code execution...

Kazuar: Anatomy of a nation-state botnet

In this article 1. Delivery 2. Module types 3. Botnet operations 4. Who is Secret Blizzard? 5. Mitigation and protection guidance 6. Microsoft Defender detections Kazuar, a sophisticated malware family attributed to the Russian state actor Secret Blizzard, has been under constant development for...