Vulnerability details
CVE-2026-6067
NASM NASM
CVE-2026-6067
CVSS 3.1
7.5High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| NASM | NASM | nasm-3.02rc5 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-04-10
- Last updated
- 2026-04-10
- State
- Published
- Assigner (CNA)
- certcc
Exploit prediction (EPSS)
0.36%
Probability of exploitation in 30 days
30.3%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Partial
Weaknesses (CWE)
- —