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.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6069.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:*:*:*:*:*:*",
    "source": [
        "AFFECTED_FIELD",
        "CPE_STRING"
    ],
    "extracted_events": [
        {
            "introduced": "nasm-3.02rc5"
        },
        {
            "last_affected": "nasm-3.02rc5"
        },
        {
            "introduced": "3.02-rc5"
        },
        {
            "last_affected": "3.02-rc5"
        }
    ]
}

Affected versions

3.*

3.02-rc5

nasm-3.*

nasm-3.02rc5

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6069.json"