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9351 result(s) for "OT" — best match first.

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The security stories that matter, explained by our team — with the concrete steps to take.

Latest headlines from security outlets

Collected every two hours from specialised publications — each link leads to the original article.

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Debian DSA-6236-1 firefox-esr Critical Arbitrary Code Exec Issues

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

Linux

The Hacker News
The Hacker News Vulnerabilities

Critical cPanel Authentication Vulnerability Identified — Update Your Server Immediately

cPanel has released security updates to address a security issue impacting various authentication paths that could allow an attacker to obtain access to the co…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Fedora 43 edk2 Important OpenSSL DoS Fix FEDORA-2026-a484707720

unbreak https boot update openssl to 3.5.6

Linux OpenSSL

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 42 PackageKit Vulnerability Causes Local Privilege Escalation Risk

Backport fix for race condition leading to root compromise (GHSA-f55j-vvr9-69xv)

Linux

The Hacker News
The Hacker News Breaches & leaks

PhantomCore Exploits TrueConf Vulnerabilities to Breach Russian Networks

A pro-Ukrainian hacktivist group called PhantomCore has been attributed to attacks actively targeting servers running TrueConf video conferencing software in R…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

How Linux Pentesting Improves Network Security

When setting up network security systems, it is critical to ensure they work correctly and do not have flaws waiting to be exploited.

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

AI-Driven Cybersecurity Upgrades: 3 Strategic Uses

With the increasing pace and complexity of digital attacks, analysts are turning to AI threat detection to stretch IT resources and keep out cyber threats. No …

The Hacker News
The Hacker News Breaches & leaks

FIRESTARTER Backdoor Hit Federal Cisco Firepower Device, Survives Security Patches

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has revealed that an unnamed federal civilian agency's Cisco Firepower device running Adaptive…

Cisco

The Hacker News
The Hacker News Breaches & leaks

UNC6692 Impersonates IT Helpdesk via Microsoft Teams to Deploy SNOW Malware

A previously undocumented threat activity cluster known as UNC6692 has been observed leveraging social engineering tactics via Microsoft Teams to deploy a cust…

The Hacker News
The Hacker News Breaches & leaks

UNC6692 Impersonates IT Help Desk via Microsoft Teams to Deploy SNOW Malware

A previously undocumented threat activity cluster known as UNC6692 has been observed leveraging social engineering tactics via Microsoft Teams to deploy a cust…

The Hacker News
The Hacker News

Malicious KICS Docker Images and VS Code Extensions Hit Checkmarx Supply Chain

Cybersecurity researchers have warned of malicious images pushed to the official "checkmarx/kics" Docker Hub repository.In an alert published today, software s…

Docker

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Debian DSA-6225-1 firefox-esr Important Arbitrary Code Exec

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

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian DSA-6222-1 ngtcp2 Important Buffer Overflow CVE-2026-40170

Zou Dikai discovered a buffer overflow in ngtcp2, a QUIC protocol library. For the oldstable distribution (bookworm), this problem has been fixed in version 0.…

Linux

The Hacker News
The Hacker News Breaches & leaks

SystemBC C2 Server Reveals 1,570+ Victims in The Gentlemen Ransomware Operation

Threat actors associated with The Gentlemen ransomware‑as‑a‑service (RaaS) operation have been observed attempting to deploy a known proxy malware called Syste…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian DSA-6221-1 NTFS-3G Critical Buffer Overflow Privilege Escalation

Andrea Bocchetti discovered a heap-based buffer overflow in NTFS-3G, a read-write NTFS driver for FUSE. A local user can take advantage of this flaw for local …

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Boost Linux Security Through Clear and Readable Coding Practices

There is a certain culture in Linux spaces that rewards cleverness. Tight one-liners, dense pipelines, scripts that do a lot in very few characters, and to be …

Linux

The Hacker News
The Hacker News Vulnerabilities

SGLang CVE-2026-5760 (CVSS 9.8) Enables RCE via Malicious GGUF Model Files

A critical security vulnerability has been disclosed in SGLang that, if successfully exploited, could result in remote code execution on susceptible systems.Th…

The Hacker News
The Hacker News

⚡ Weekly Recap: Vercel Hack, Push Fraud, QEMU Abused, New Android RATs Emerge & More

Monday’s recap shows the same pattern in different places. A third-party tool becomes a way in, then leads to internal access. A trusted download path is brief…

Android

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian 11 DLA-4539-1 Imagemagick Important DoS Info Leak

Multiple security vulnerabilities were discovered in imagemagick, a software suite used for editing and manipulating digital images, which could lead to symlin…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian Trixie pillow Important DoS Risk DSA-6219-1 CVE-2026-40192

It was discovered that missing input sanitising in the FITS support of Pillow, a Python imaging library, could result in denial of service. The oldstable distr…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 42 curl Critical Authentication Fixes 2026-907bbf2a13

fix bad reuse of HTTP Negotiate connection (CVE-2026-1965) fix token leak with redirect and netrc (CVE-2026-3783) fix wrong proxy connection reuse with credent…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 perl Important Code Injection Weakness DLA-4538-1 CVE-2025-40909

Vincent Lef¨vre discovered that, in the Perl programming language, at thread creation the current directory may temporarily change in other threads, altering f…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian Bookworm DSA-6215-1 GIMP Important Denial of Service

Several vulnerabilities were discovered in GIMP, the GNU Image Manipulation Program, which could result in denial of service or potentially the execution of ar…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 DLA-4537-1 Mapserver Critical Heap Buffer Overflow DoS

A heap-buffer-overflow was found in mapserver, a CGI-based framework for Internet map services, which could lead to Denial of Service via crafted SLD (Styled L…

Linux