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Claude Code now also accepts instructions in OpenAI’s Agents.md format

One thing that made it difficult for developers to switch AI coding tools on a project is that Anthropic’s Claude Code didn’t look for instructions in the [...]

September 21, 2026

New npm malware finds a way around install script defenses

Blocking suspicious install scripts may no longer be enough to mitigate threats from malicious JavaScript dependencies used in software supply-chain [...]

September 21, 2026

Clop gets a taste of its own medicine after ShinyHunters hijack leak site

Clop has discovered what life is like on the receiving end of an extortion demand after rival crew ShinyHunters hijacked its leak site and demanded an [...]

September 21, 2026

Rustaceans warned of job interviews with a malicious payload

The Rust project has warned that attackers appear to be targeting its contributors and crate owners in an attempt to compromise their devices and accounts, [...]

September 21, 2026

Mageia ntpsec Critical Buffer Overflow Advisory CVE-2026-18321

September 21, 2026

Mageia Postfix Security Update Advisory for the year 2026-0429

September 21, 2026

Mageia 10 MPG123 Security Advisory 2026-0428 Updated Packages

September 21, 2026

Mageia 10 9 libssh Critical Buffer Overflow DoS Advisory 2026-0425

September 21, 2026

Mageia gawk Important Heap Overflow Use-After-Free CVE-2026-40467 2026-0427

September 21, 2026

Mageia Python Configargparse Critical Config Disclosure Advisory 2026-0421

September 21, 2026

Mageia perl-YAML Important CVE-2026-63676 Update Advisory 2026-0426

September 21, 2026

Mageia 10 ntfs-3g Critical Heap Buffer Overflow Vulnerability 2026-0424

September 21, 2026

Mageia Bind Important DoS Issues CVE-2026-19033 CVE-2026-19662 2026-0422

September 21, 2026

Mageia python-httplib2 Important Decompression Bomb DoS CVE-2026-59939

September 21, 2026

Mageia gnome-software Bugfix Advisory 2026-0126 – GUI Apps Issue

September 21, 2026

Mageia 10 GNU Update Fixes Critical NULL Pointer Flaws CVE-2026-56288

September 21, 2026

Mageia libde265 Critical Heap Overflow Memory Issues Advisory 2026-0420

September 21, 2026

Mageia 10 Printer Setup Security Flaw Fix Alert 2026-0128 Notification

September 21, 2026

Mageia 10 perl-Chart Bugfix for Security Advisory 2026-0127

September 21, 2026

Mageia 10 Isodumper Bugfix Advisory for the Year 2026-0125 Release

September 21, 2026

Fedora 44 doctl Upgrade Alert for Version 2026-ad8394dc92

September 21, 2026

Fedora 44 libheif Security Advisory 2026 – ba6dbf405c Notification

September 21, 2026

Fedora 43 GIMP Integer Overflow Update FEDORA-2026-572a0f4178

September 21, 2026

Fedora 43 GEGL04 Critical Integer Overflow Fix vuln 2026-572a0f4178

September 21, 2026

Fedora 45 Thunderbird Update Now Available with Version 2026-aa0e0deed1

September 21, 2026

Debian Chromium Important Code Exec Denial of Service DSA-6508-1

September 21, 2026

Debian LTS linux-6.12 Security Update Privilege Escalation DLA-4788-1

September 21, 2026

OpenAI’s cyber defense letter gets the diagnosis right and the prescription wrong

On August 27, 2026, OpenAI published an open letter titled “A call for collective action on cyber defense.” More than 100 organizations signed it (CNBC [...]

September 21, 2026

20 approaches to writing better AI prompts

If AIs are supposed to be such magical time savers, why do we spend so much time and effort writing prompts? In some cases, the prompts can be longer than [...]

September 21, 2026

Fedora 43 opkssh Update Denial of Service Fix CVE-2026-56855

September 21, 2026

Fedora 44 Thunderbird Update Advisory 2026-379e77483b Release Information

September 21, 2026

Fedora 44 opkssh Important DoS Issues Fixed in golang.org/x/crypto

September 21, 2026

Fedora 44 FreeIPA Critical Identity Protection Advisory 2026-1c8697a163

September 21, 2026

Fedora 45 WebkitGTK Update Advisory 2026-21b582110b Released Today

September 21, 2026

Fedora 45 Unbound Security Update Fixes Heap Overflow and Remote Code Risks

September 21, 2026

Fedora 45 NSS Update 3.129.0 Security Bug Fixes 2026-9b9d903069

September 21, 2026

Fedora 45 Parted Security Fix CVE-2026-89085 CVE-2026-89088

September 21, 2026

Fedora 45 Asterisk 23.5.0 Security Advisory CVE-2026-57160 Buffer Overflow

September 21, 2026

Fedora 45 OpenPubkey SSH Advisory CVE-2026-56855 CVE-2026-78662 DoS Fix

September 21, 2026

Fedora 45 FreeIPA 4.13.4 Security Advisory CVE-2026-79678 CVE-2026-76578

September 21, 2026

DSA-6508-1 chromium – security update

September 20, 2026

DSA-6507-1 unbound – security update

September 20, 2026

Debian GIMP High Severity Denial of Service Arbitrary Code Issue DSA-6509-1

September 20, 2026

openSUSE Tumbleweed Nginx Important Buffer Overflow Vuln 2026-11807-1

September 20, 2026

openSUSE kernel-devel Moderate Update for 153 Vulnerabilities 2026-11805-1

September 20, 2026

openSUSE Alloy Moderate Security Fix Advisory 2026-11803-1

September 20, 2026

openSUSE Tumbleweed Moderate NetworkManager-applet-l2tp Update 2026-11802-1

September 20, 2026

Debian LTS libde265 Important Heap Overflow DoS CVE-2023-51792

September 20, 2026

Linux Security Roundup: Patch BIND, Browsers, and Cloud Kernels First

Most administrators do not think about BIND, browser engines, or cloud kernels until one of them fails.

September 20, 2026

Linux Packet Metadata Could Point to Headers That No Longer Exist

Linux packet metadata could keep pointing to network headers after the underlying packet had been rebuilt without them.

September 20, 2026

Linux eBPF Security Flaw Could Approve an Out-of-Bounds Memory Access

A Linux eBPF security flaw could cause the kernel to approve a program using an incorrect understanding of the values it would process.

September 20, 2026

Rocky Linux 8 RLSA-2026-68531 Kernel Important Security Fix

September 20, 2026

Rocky Linux perl-Net-DNS Important Denial of Service Vuln RLSA-2026-68787

September 20, 2026

Rocky Linux 8 .NET 10.0 Important Elevation of Privilege RLSA-2026-68676

September 20, 2026

Rocky Linux 8 RLSA-2026-68677 Tomcat Important Authentication Issues

September 20, 2026

Rocky Linux 8 Kernel-rt Important Security Fix RLSA-2026-68532

September 20, 2026

Mageia 10 Audacity Bugfix Update Version 3.7.9 Advisory 2026-0124

September 20, 2026

Mageia GStreamer OGG Remote Code Execution Buffer Overflow Vuln 2026-0418

September 20, 2026

Debian ruby-jwt Critical DoS Token Forging Vuln DLA-4787-1 CVE-2026-45363

September 20, 2026

Fedora Freeciv 3.2.6 Important OOB Memory Corruption Notice 2026-3b9c14cd66

September 20, 2026

Fedora 44 Evolution Important vCard Spoofing Fix CVE-2026-88859 Advisory

September 20, 2026

Fedora 44 Dovecot 2.4.5 Denial of Service Security Issues 2026-2e6b786570

September 20, 2026

Fedora 44 stb Moderate Local DoS Vulnern FEDORA-2026-2a592f622a

September 20, 2026

Fedora 43 Chromium Security Update Addressing Multiple CVEs 2026-a1a12d9b4f

September 20, 2026

Fedora 43 Firefox Bug Fix Update Released – Version 2026-d7ba4af112

September 20, 2026

Fedora 43 NSS Library Update Integer Overflow Issues 2026-d7ba4af112

September 20, 2026

Fedora 43 Freeciv Critical Out-of-Bounds Memory Corruption CVE-2026-90557

September 20, 2026

Fedora 43 Evolution Moderate Click Validation Fix CVE-2026-88859

September 20, 2026

Fedora 43 Ruby Denial of Service Vulnerability Fix CVE-2026-80212 Advisory

September 20, 2026

Fedora 43 stb Critical Local Denial of Service Fix 2026-0cae436fa5

September 20, 2026

Fedora 43 Dovecot Critical Denial of Service Issues 2026-e8a6485109

September 20, 2026

Fedora 45 Chromium Security Risks Found in Web Browser Authorization Issues

September 20, 2026

Fedora 45 libheif Important Security Issues Resolved 2026-73d31ad4c6

September 20, 2026

Fedora 45 freeciv Critical Memory Corruption Out-of-Bounds Read Alerts

September 20, 2026

Fedora 45 Forgejo 15.0.8 Security Fix Advisory 2026-e9a6f74bd2

September 20, 2026

Fedora 45 STB Security Update Addresses Local DoS CVE-2026-79516

September 20, 2026

Fedora 45 Dovecot Update 2026-8b8efbd2b8 Security Vulnerabilities

September 20, 2026

Slackware Stunnel Session Key Management Vulnerability Patch 2026-261-01

September 20, 2026

SUSE MozillaFirefox Important Privilege Escalation Issues Fixed 2026-4264-1

September 20, 2026

SUSE ImageMagick Low Denial of Service Vulnern 2026-4265-1

September 20, 2026

openSUSE MozillaFirefox Important Privilege Escalation Issues 2026-4264-1

September 20, 2026

SUSE MozillaThunderbird Important Security Update 2026-4268-1

September 20, 2026

openSUSE MozillaThunderbird Important Security Issues Addressed 2026-4268-1

September 20, 2026

Mageia libpcap Important OOBR Memory Leak and Other Flaws 2026-0416

September 20, 2026

Critical Vulnerability in Mageia gdk-pixbuf Buffer Overflow Found 2026-0417

September 20, 2026

Mageia GraphicsMagick Security Advisory CVE-2025-55154 – Integer Overflow

September 20, 2026

DSA-6509-1 gimp – security update

September 20, 2026

‘Nudify’ apps: What to do if someone makes a fake nude of you

Whether you’re a victim, the parent of a victim, or just concerned, here’s what you can do about fake nude images

September 19, 2026

Rocky Linux 10 Sudo Important Policy Bypass Vuln RLSA-2026-68692

September 19, 2026

Rocky Linux 10 Kernel Important Updates RLSA-2026-68507

September 19, 2026

Rocky Linux 10 tomcat9 Moderate Security Update RLSA-2026-68651

September 19, 2026

Rocky Linux 9 Tomcat Moderate Security Update RLSA-2026-68660

September 19, 2026

Rocky Linux RLSA-2026-68786 perl-Net-DNS Important Denial of Service

September 19, 2026

Rocky Linux Kernel Important Security Advisory RLSA-2026-68570 CVE Fixes

September 19, 2026

Debian Unbound Critical Denial of Service Code Execution DSA-6507-1

September 19, 2026

Agentic security is the billion-dollar challenge for some clever startup to solve

When it comes to AI models, security functions as an afterthought, as evidenced by increased instances of agents hacking organizations and people, and [...]

September 19, 2026

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