CVE-2026-6067

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Source
https://cve.org/CVERecord?id=CVE-2026-6067
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6067.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-6067
Downstream
Related
Published
2026-04-10T13:30:26.140Z
Modified
2026-07-15T10:14:38.833436804Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
CVE-2026-6067
Details

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.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6067.json",
    "cna_assigner": "certcc"
}
References

Affected packages

Git / github.com/netwide-assembler/nasm

Affected ranges

Type
GIT
Repo
https://github.com/netwide-assembler/nasm
Events
Introduced
b1ee0338a3f8027cf6886ca21ee31d444c615373
Last affected
b1ee0338a3f8027cf6886ca21ee31d444c615373
Database specific 
{
    "cpe": "cpe:2.3:a:nasm:netwide_assembler:3.02:rc5:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "nasm-3.02rc5"
        },
        {
            "last_affected": "nasm-3.02rc5"
        },
        {
            "introduced": "3.02-rc5"
        },
        {
            "last_affected": "3.02-rc5"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "CPE_STRING"
    ]
}

Affected versions

3.*
3.02-rc5
nasm-3.*
nasm-3.02rc5

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6067.json"