CVE-2026-6069
HIGHCVSS 7.5/10EPSS 0.44%
Last modified
CVE-2026-6069 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Nasm | Netwide Assembler | 3.02 | Rc5 |
References
- https://github.com/netwide-assembler/nasm/issues/217Exploit, Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-6069?
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.
How severe is CVE-2026-6069?
CVE-2026-6069 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.
How do I fix CVE-2026-6069?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-6069?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST