Morning Overview on MSN

An 18-year-old heap buffer overflow in NGINX gives attackers remote code execution — billions of devices run the affected module

A single rewrite rule, the kind pasted into NGINX configurations thousands of times a day, can hand an unauthenticated ...
Bleeping Computer

Cisco warns of denial of service flaw with PoC exploit code

Cisco has released security updates to patch a ClamAV denial-of-service (DoS) vulnerability, which has proof-of-concept (PoC) exploit code. Tracked as CVE-2025-20128, the vulnerability is caused by a ...
CSOonline

What is a buffer overflow? And how hackers exploit these vulnerabilities

A buffer overflow or overrun is a memory safety issue where a program does not properly check the boundaries of an allocated fixed-length memory buffer and writes more data than it can hold. This ...
Threat Post

Patched Code Execution Bug Affects Most Android Users

Researchers at IBM disclosed a serious buffer overflow vulnerability in Android 4.3 and earlier that could lead to code execution. The bug is patched in KitKat, but most users are on older versions. A ...