CVE-2026-39199

Source
https://cve.org/CVERecord?id=CVE-2026-39199
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-39199.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-39199
Downstream
Published
2026-06-17T00:00:00Z
Modified
2026-07-22T03:08:58.475510Z
Severity
  • 2.9 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

snes9x 1.63 allows an out-of-bounds write and denial of service via a crafted .ups file.

Database specific
{
    "cwe_ids": [
        "CWE-787"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39199.json",
    "cna_assigner": "mitre"
}
References

Affected packages

Git / github.com/snes9xgit/snes9x

Affected ranges

Type
GIT
Repo
https://github.com/snes9xgit/snes9x
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
{
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.63"
        }
    ]
}

Affected versions

1.*
1.52
1.53
1.53a
1.54
1.54.1
1.55
1.56
1.56.1
1.56.2
1.57
1.58
1.59
1.59.1
1.59.2
1.60
1.61
1.62
1.62.1
1.62.2
1.62.3
1.63

Database specific

vanir_signatures_modified
"2026-07-22T03:08:58Z"
vanir_signatures
[
    {
        "signature_type": "Line",
        "target": {
            "file": "memmap.cpp"
        },
        "deprecated": false,
        "source": "https://github.com/snes9xgit/snes9x/commit/96b366100172723f6314c40e237b370f4f7b59f4",
        "id": "CVE-2026-39199-4e002d1e",
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "237793978649698808645407122816158080768",
                "240650424735410410287698339852980331568",
                "182004812249352264556856505651700875951",
                "139049804054012269335212065855462569410"
            ],
            "threshold": 0.9
        }
    },
    {
        "signature_type": "Function",
        "target": {
            "file": "memmap.cpp",
            "function": "ReadUPSPatch"
        },
        "deprecated": false,
        "source": "https://github.com/snes9xgit/snes9x/commit/96b366100172723f6314c40e237b370f4f7b59f4",
        "id": "CVE-2026-39199-6e21fe48",
        "signature_version": "v1",
        "digest": {
            "function_hash": "150877881658155293726144271207618129571",
            "length": 1735.0
        }
    }
]
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-39199.json"