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CVE-2026-6069

CVE-2026-6069

Published: Apr 10, 2026Updated: Apr 16, 2026 Sources: CVE List NVDCWE-787
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.4%
Top 64.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

NASM’s disasm() function contains a stack based buffer overflow when formatting disassembly output, allowing an attacker triggered out-of-bounds write when `slen` exceeds the buffer capacity.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-787

Affected Products

NASMNASM
Library
DevTools & CI / build-test-tools
netwide assemblernasm
On-premDev Tool
DevTools & CI / build-test-tools
nasmoss-projectDevTools & CIaka nasm

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/netwide-assembler/nasm/issues/217
github.com

Timeline

Published
Apr 10, 2026
Last Updated
Apr 16, 2026

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