Critical
upx-ucl — security advisory
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
- upx-ucl
- Affected versions
- 3.91-1, 3.94-2, 3.94-3, 3.94-4, 3.95-2, 3.95-2build1, 3.96-2, 3.96-3, 4.2.2-3, 4.2.4-1, 4.2.4-1.1, 4.2.4-1.1build1
- Fixed versions
- Not specified
- CVEs
- CVE-2024-3209
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:07 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:UBUNTU-CVE-2024-3209
upx-ucl
Fixed versions: Not specified
upx-ucl
Fixed versions: Not specified
upx-ucl
Fixed versions: Not specified
upx-ucl
Fixed versions: Not specified
upx-ucl
Fixed versions: Not specified
upx-ucl
Fixed versions: Not specified
upx-ucl
Fixed versions: Not specified
upx-ucl
Fixed versions: Not specified
Complete source record
{
"id": "85192c5cfcef1f7677675f6eef6ac67081c758eb1df159daad63a99076041e95",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2024-3209",
"method": "structured",
"payload": {
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"title": "UBUNTU-CVE-2024-3209",
"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.",
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],
"modified": "2026-10-17T12:56:35.556276150Z",
"provider": "osv",
"upstream": [
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],
"references": [
"https://ubuntu.com/security/CVE-2024-3209",
"https://vuldb.com/?id.259055",
"https://vuldb.com/?ctiid.259055",
"https://vuldb.com/?submit.304575",
"https://drive.google.com/drive/folders/1qlUXvycOzGJygfkdQB9dGO6VwNRRZoih?usp=sharing",
"https://www.cve.org/CVERecord?id=CVE-2024-3209"
]
},
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"evidence": "/upstream"
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],
"security_relevant": true,
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},
"source_id": "core-osv",
"document_id": 355828,
"published_at": "2024-04-02T23:15:00+00:00"
}