CVE-2026-6067
Medium · 5.5CVSS
5.5
EPSS
0.4%
Published
Apr 10, 2026
CISA due date
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The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
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