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LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

React2Shell RCE: Critical Host Compromise Vulnerability Exploit 2025-55182

React2Shell is a server-side vulnerability that turns a normal web request into code execution. It allows unauthenticated remote code execution, without creden…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

React2Shell: How a Framework Bug Drives Full Linux Compromise

React2Shell is a server-side vulnerability that turns a normal web request into code execution. It allows unauthenticated remote code execution, without creden…

Linux

The Hacker News
The Hacker News Breaches & leaks

VolkLocker Ransomware Exposed by Hard-Coded Master Key Allowing Free Decryption

The pro-Russian hacktivist group known as CyberVolk (aka GLORIAMIST) has resurfaced with a new ransomware-as-a-service (RaaS) offering called VolkLocker that s…

Windows

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian: vlc Critical Denial of Service and Code Execution DSA-6082-1

Multiple vulnerabilities were discovered in the VLC media player, which could result in denial of service or potentially the execution of arbitrary code if a m…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11: libsndfile DLA-4402-1 CVE-2021-4156 Out-of-Bounds Read Risk

An out-of-bounds read flaw was found in libsndfile's FLAC codec functionality. An attacker who is able to submit a specially crafted file (via tricking a user …

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian: Important DoS Vulnerabilities in FFmpeg DSA-6080-1 Advisory

Several vulnerabilities have been discovered in the FFmpeg multimedia framework, which could result in denial of service or potentially the execution of arbitr…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian: firefox-esr Critical Privilege Escalation DSA-6078-1 CVE-2025-14321

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, sandbox escape,…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian: pdns-recursor Critical Denial of Service Vulnerability DSA-6077-1

Insufficient validation of incoming notifies over TCP in PDNS Recursor, a resolving name server, could result in denial of service. For the stable distribution…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian: libpng1.6 Critical Info Leak & DoS Vulnerabilities DSA-6076-1

Several vulnerabilities were reported in the libpng PNG library, which could lead to information leaks, denial of service or potentially the execution of arbit…

Linux

The Hacker News
The Hacker News Vulnerabilities

North Korea-linked Actors Exploit React2Shell to Deploy New EtherRAT Malware

Threat actors with ties to North Korea have likely become the latest to exploit the recently disclosed critical React2Shell security flaw in React Server Compo…

Linux

The Hacker News
The Hacker News

Four Threat Clusters Using CastleLoader as GrayBravo Expands Its Malware Service Infrastructure

Four distinct threat activity clusters have been observed leveraging a malware loader known as CastleLoader, strengthening the previous assessment that the too…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

AIs Quiet Move Into the Linux Kernel Raises New Linux Kernel Security Questions

AI-written patches are starting to land in kernel discussions, and the timing has people watching closely. The code looks ordinary at first glance, yet the rev…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 Lasso Important DoS Arbitrary Code Exec DLA-4397-1

Keane O'Kelley discovered several vulnerabilities in lasso, a library implementing Liberty Alliance and SAML protocols, which could result in denial of service…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Understanding Firewall Rule Order and Its Impact on Traffic Decisions

Firewall rule order shapes how a firewall makes decisions. The system checks each rule in a specific sequence, and that sequence affects whether traffic is all…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian Trixie: FFmpeg Critical Denial of Service and Code Exec DSA-6073-1

Several vulnerabilities have been discovered in the FFmpeg multimedia framework, which could result in denial of service or potentially the execution of arbitr…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian: libpng Critical DoS Update DLA-4396-1 CVE-2025-64505

Multiple vulnerabilties have been found in libpng, the official PNG reference library, allowing information disclosure via out-of-bounds read, denial of servic…

Linux

The Hacker News
The Hacker News Vulnerabilities

Chinese Hackers Have Started Exploiting the Newly Disclosed React2Shell Vulnerability

Two hacking groups with ties to China have been observed weaponizing the newly disclosed security flaw in React Server Components (RSC) within hours of it beco…

The Hacker News
The Hacker News

Silver Fox Uses Fake Microsoft Teams Installer to Spread ValleyRAT Malware in China

The threat actor known as Silver Fox has been spotted orchestrating a false flag operation to mimic a Russian threat group in attacks targeting organizations i…

The Hacker News
The Hacker News Vulnerabilities

ThreatsDay Bulletin: Wi-Fi Hack, npm Worm, DeFi Theft, Phishing Blasts— and 15 More Stories

Think your Wi-Fi is safe? Your coding tools? Or even your favorite financial apps? This week proves again how hackers, companies, and governments are all locke…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 20.04: Ghostscript Important DoS Vulnerability USN-7904-1

Ghostscript could be made to crash if it wrote certain files.

Linux

The Hacker News
The Hacker News Vulnerabilities

Picklescan Bugs Allow Malicious PyTorch Models to Evade Scans and Execute Code

Three critical security flaws have been disclosed in an open-source utility called Picklescan that could allow malicious actors to execute arbitrary code by lo…

The Hacker News
The Hacker News

GlassWorm Returns with 24 Malicious Extensions Impersonating Popular Developer Tools

The supply chain campaign known as GlassWorm has once again reared its head, infiltrating both Microsoft Visual Studio Marketplace and Open VSX with 24 extensi…

The Hacker News
The Hacker News Vulnerabilities

SecAlerts Cuts Through the Noise with a Smarter, Faster Way to Track Vulnerabilities

Vulnerability management is a core component of every cybersecurity strategy. However, businesses often use thousands of software without realising it (when wa…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Out-of-Bounds Read Bugs Add Quiet Pressure on Linux Security

Out-of-bounds reads sit quietly in Linux security. You don't always see them until the code steps past a buffer and hands back a piece of memory it was never s…

Linux