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.
Published Apr 10, 2026 · updated Jun 17, 2026 · nasm netwide assembler
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.
Code
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No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Apr 10, 2026 · NIST NVD
Detected
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.
Jun 17, 2026 · NIST NVD
Updated
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
- cpe nasm/netwide assembler3.02
Sources
- CVE.orgVulnerability recordCVE-2026-6067
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-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. This vulnerability can be exploited by a user assembling a malicious .asm file, potentially leading to heap memory corruption, denial of s
nvd.nist.gov