A buffer overflow occurs when a program or process attempts to write more data to a fixed-length block of memory, or buffer, than the buffer is allocated to hold. Buffers contain a defined amount of ...

Buffer overflow attacks can cause serious damage to an organization by enabling an attacker to assault an application and gain control of the corporate network. These attacks are far from new -- the ...

CISA added CVE-2026-7273, a stack-based buffer overflow in Zyxel GS1900 Series Switches, to its KEV catalog after confirming active exploitation.