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CVE-2026-6069

Quick assessment

Affected
NASM NASM
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NASM是The Netwide Assembler开源的一个跨平台的汇编器工具。 NASM存在安全漏洞，该漏洞源于disasm函数存在基于栈的缓冲区溢出，可能导致越界写入。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.46% · P39

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-6069

Vulnerability Information
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Vulnerability Title
CVE-2026-6069
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
NASM 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NASM是The Netwide Assembler开源的一个跨平台的汇编器工具。 NASM存在安全漏洞，该漏洞源于disasm函数存在基于栈的缓冲区溢出，可能导致越界写入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NASM NASM nasm-3.02rc5 -

II. Public POCs for CVE-2026-6069

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-6069

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Vendor Advisories for CVE-2026-6069 (1)

Same Patch Batch · NASM · 2026-04-10 · 3 CVEs total

CVE-2026-6068 CVE-2026-6068
CVE-2026-6067 CVE-2026-6067

IV. Related Vulnerabilities

Same product: NASM
Same vendor: NASM

V. Comments for CVE-2026-6069

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