UPX bele.h get_ne64 heap-based overflow
A vulnerability was found in UPX up to 4.2.2. It has been rated as critical. This issue affects the function get_ne64 of the file bele.h. The manipulation leads to heap-based buffer overflow. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-259055. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2024-3209
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 5 Nov 2026, 10:20 UTC · Revision 1
Source evidence
A vulnerability was found in UPX up to 4.2.2. It has been rated as critical. This issue affects the function get_ne64 of the file bele.h. The manipulation leads to heap-based buffer overflow. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-259055. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
osv:CVE-2024-3209
Complete source record
{
"id": "55df2ba83fba7bd3be57c36f18627512609582939d62525568f3a106069cec68",
"url": "https://osv.dev/vulnerability/CVE-2024-3209",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UPX bele.h get_ne64 heap-based overflow",
"summary": "A vulnerability was found in UPX up to 4.2.2. It has been rated as critical. This issue affects the function get_ne64 of the file bele.h. The manipulation leads to heap-based buffer overflow. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-259055. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.",
"evidence": "osv:CVE-2024-3209",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2024-3209",
"aliases": [
"CVE-2024-3209"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/upx/upx",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "099c3d829e80488af7395a4242b318877e980da4"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:upx:upx:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "4.2.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v4.2.2",
"v4.2.1",
"v4.2.0",
"v4.1.0",
"v4.0.2",
"v4.0.1",
"v4.0.0",
"v3.99",
"v3.96",
"v3.95",
"v3.93",
"v3.92",
"v3.91",
"v3.09",
"v3.07",
"v3.06",
"v3.04",
"v3.03",
"v3.02",
"v3.01",
"v3.00",
"v2.93",
"v2.92",
"v2.91",
"v2.90",
"v2.01",
"v2.00",
"v1.96",
"v1.95",
"v1.94",
"v1.93",
"v1.92",
"v1.91",
"v1.90",
"v1.11",
"v1.10"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-3209.json"
}
}
],
"modified": "2026-10-28T02:30:43.767807781Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AE5OZ7YUEVLXVVS6PFP5RELVICQ4K6QK/",
"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J4DNK3AFPT4KIPTBKGCJ6FC3L7AWI2TN/",
"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZHWZN2NX5W3WYA6ACJ746PAZXXNZETKD/",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/3xxx/CVE-2024-3209.json",
"https://nvd.nist.gov/vuln/detail/CVE-2024-3209",
"https://vuldb.com/?id.259055",
"https://vuldb.com/?submit.304575",
"https://vuldb.com/?ctiid.259055",
"https://drive.google.com/drive/folders/1qlUXvycOzGJygfkdQB9dGO6VwNRRZoih?usp=sharing"
],
"provider_metadata": {
"cwe_ids": [
"CWE-122"
],
"cna_assigner": "VulDB",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "4.2.0"
},
{
"last_affected": "4.2.0"
},
{
"introduced": "4.2.1"
},
{
"last_affected": "4.2.1"
},
{
"introduced": "4.2.2"
},
{
"last_affected": "4.2.2"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/3xxx/CVE-2024-3209.json"
}
},
"related_cves": [
{
"value": "CVE-2024-3209",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 511609,
"published_at": "2024-04-02T23:00:05.494+00:00"
}