medium5.5
CVE-2026-6067
A heap buffer overflow vulnerability exists in the Netwide Assembler (NASM) due to a lack of bounds checking in the obj_directive() function.
Impact
A heap buffer overflow vulnerability exists in the Netwide Assembler (NASM) due to a lack of bounds checking in the obj_directive() function. This vulnerability can be exploited by a user assembling a malicious .asm file, potentially leading to heap memory corruption, denial of service (crash), and arbitrary code execution.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nasm | Netwide Assembler | Version 3.02 |