Netcrook
#buffer overflow
The Quiet Security Lesson Hidden Inside a Retro C Tribute
A playful nod to 1980s-era coding points to a serious reality: older programming habits still shape how modern systems are built, reviewed, and broken.
Thirteen Fixes, One Signal: PAN-OS Joins the Long List of Perimeter Products Under Pressure
A new patch wave for Palo Alto Networks' firewall software highlights how modern security appliances now carry the same mix of memory, logic, and access-control risk as the systems they protect.
PAN-OS User-ID Agent Flaw Turns a Trust Service Into a Risky Entry Point
Palo Alto Networks has tied a high-urgency buffer-overflow issue in the PAN-OS User-ID Terminal Server Agent to denial-of-service risk and possible arbitrary code execution, but exposure depends heavily on how the component is deployed.
The Old Memory Bug That Still Breaks Modern Defenses
Buffer overflows remain a live threat because one bad bounds check can still turn into a crash, a leak, or remote code execution when the vulnerable code sits on a network-facing path.
The UPS Card That Became a Control-Plane Risk
Two critical flaws in Vertiv management cards show how a small embedded interface can turn into a serious availability concern for data center operators.
Inside a Phone Call, a Memory Bug Can Become a Security Problem
A critical overflow in HP VoIP phones is a reminder that a desk handset is still a networked computer, and in the wrong configuration, that matters more than the label on the desk.
When a Charger Can Become a Computer: The XCharge C6 Fault Line
CISA’s advisory on the XCharge C6 shows how update trust, memory safety, and default access can collide inside connected charging equipment.
Public PoC Turns a Patched 7-Zip Flaw Into a Version-Tracking Problem
A fixed memory-corruption issue in 7-Zip now has public exploit material, shifting the urgent question from whether it can be studied to where older copies still remain in use.
The Hidden Parser Trap Inside 7-Zip That Turns a File into a Memory-Corruption Event
A critical bug in 7-Zip's NTFS handling shows how a specialized unpacker can become a code-execution surface when it trusts hostile structure and size fields.
A Tiny NTFS Parser Flaw Put 7-Zip on the Wrong Side of Trust
A heap overflow in 7-Zip’s NTFS handler shows how one crafted filesystem image can turn a routine file-opening action into a security problem.
NGINX Rewrite Logic Turns a Routine Feature into a Crash and Code-Execution Risk
CVE-2026-9256 sits in a narrow but dangerous corner of NGINX: rewrite rules that reuse overlapping PCRE captures can push a worker into denial of service and, under added conditions, into remote code execution.
When a Rewrite Rule Becomes a Crash Trigger Inside NGINX
A memory-safety flaw in NGINX’s rewrite path shows how ordinary request parsing can turn into denial of service, and in narrower conditions, remote code execution.
When NGINX JavaScript Turns Into a Memory-Corruption Trap
A flaw in the njs extension shows how an edge feature built for flexibility can become a crash path - and, in some conditions, a route to code execution.
Inside the NGINX njs Flaw That Turns a Fetch Call into a Crash Path
CVE-2026-8711 is a configuration-dependent heap overflow in NGINX JavaScript that can knock over worker processes and, in limited conditions, open the door to code execution.
When a Rewrite Rule Becomes a Crash Path
A newly tracked NGINX bug, labeled “Nginx Rift” in one public account, shows how edge-proxy logic can turn into an availability problem when attackers hit the right request pattern.
PostgreSQL’s pgcrypto Bug Turns a Trusted Extension into a Live RCE Warning
A public proof-of-concept for CVE-2026-2005 puts an old trust assumption under pressure: when database helper code runs inside the server, memory corruption can become code execution.
PostgreSQL’s Trusted Crypto Module Becomes a RCE Flashpoint
A public proof-of-concept has put CVE-2026-2005 under a brighter spotlight, but the real story is how a memory-safety bug in pgcrypto can turn a database helper into a server-side execution risk.
NGINX Rewrite Logic Turns into a High-Risk Edge Bug
A narrow configuration path in the rewrite module has pushed CVE-2026-42945 into urgent territory, where patching and config review now matter as much as uptime.
NGINX Rift: The Rewrite Bug Turning Ordinary Routing Into an Attack Surface
A critical heap buffer overflow in NGINX’s rewrite path can crash worker processes and, under narrower conditions, may also create a path to remote code execution.
NGINX’s Rewrite Engine Turns Fragile: One Pattern, Two Failure Modes
A critical flaw in NGINX’s request-rewrite path can crash workers on affected setups, and memory protections determine whether the danger stops at denial of service or climbs toward code execution.