Medium
upx-ucl — security advisory
An floating point exception was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.
- 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-2020-27802
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:52 UTC · Revision 1
Source evidence
An floating point exception was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.
osv:UBUNTU-CVE-2020-27802
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": "840fed5c9d71ad9bd96a266e74c25fa5b34b17d1dddfcbb02805cb6d6f7dbfb3",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-27802",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2020-27802",
"summary": "An floating point exception was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.",
"evidence": "osv:UBUNTU-CVE-2020-27802",
"products": [
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{
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"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
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"score": "medium"
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"package": {
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"purl": "pkg:deb/ubuntu/upx-ucl?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
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],
"database_specific": {
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},
"versions": [
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],
"modified": "2026-10-17T12:56:13.276368632Z",
"provider": "osv",
"upstream": [
"CVE-2020-27802"
],
"references": [
"https://ubuntu.com/security/CVE-2020-27802",
"https://github.com/upx/upx/issues/393",
"https://github.com/upx/upx/commit/8d1d605b3d8c49bdfe9376454f0196738bed8166",
"https://www.cve.org/CVERecord?id=CVE-2020-27802"
]
},
"related_cves": [
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"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354970,
"published_at": "2022-08-25T20:15:00+00:00"
}