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.

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Solution

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History

Fri, 10 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 10 Apr 2026 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Nasm
Nasm nasm
Vendors & Products Nasm
Nasm nasm

Fri, 10 Apr 2026 13:45:00 +0000

Type Values Removed Values Added
Description 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.
Title CVE-2026-6067
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published:

Updated: 2026-04-10T14:58:07.818Z

Reserved: 2026-04-10T13:26:16.675Z

Link: CVE-2026-6067

cve-icon Vulnrichment

Updated: 2026-04-10T14:57:45.406Z

cve-icon NVD

Status : Received

Published: 2026-04-10T14:16:38.620

Modified: 2026-04-10T16:16:36.437

Link: CVE-2026-6067

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-10T14:40:42Z

Weaknesses

No weakness.