Medium
Security advisory
hw/pci/pci.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access by providing an address near the end of the PCI configuration space.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-13791
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:48 UTC · Revision 1
Source evidence
hw/pci/pci.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access by providing an address near the end of the PCI configuration space.
osv:CVE-2020-13791
Complete source record
{
"id": "759747534d66645cee79f4ce9791d5ebdbae932c10935ce376c6e502fb92d64e",
"url": "https://osv.dev/vulnerability/CVE-2020-13791",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-13791",
"summary": "hw/pci/pci.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access by providing an address near the end of the PCI configuration space.",
"evidence": "osv:CVE-2020-13791",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-13791",
"aliases": [
"CVE-2020-13791"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/qemu/qemu",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "386b2a5767f7642521cd07930c681ec8a6057e60"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "5.0.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
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}
},
{
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"type": "GIT",
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}
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"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13791.json"
}
}
],
"modified": "2026-10-24T10:30:44.829257497Z",
"provider": "osv",
"references": [
"https://security.gentoo.org/glsa/202011-09",
"https://security.netapp.com/advisory/ntap-20200717-0001/",
"https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00706.html",
"https://www.openwall.com/lists/oss-security/2020/06/04/1"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-13791",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 435975,
"published_at": "2020-06-04T16:15:12.797+00:00"
}