Medium
Security advisory
A NULL pointer deference flaw was found in the way libvirt from 2.5.0 to 3.0.0 handled empty drives. A remote authenticated attacker could use this flaw to crash libvirtd daemon resulting in denial of service.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-2635
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:46 UTC · Revision 1
Source evidence
A NULL pointer deference flaw was found in the way libvirt from 2.5.0 to 3.0.0 handled empty drives. A remote authenticated attacker could use this flaw to crash libvirtd daemon resulting in denial of service.
osv:CVE-2017-2635
Complete source record
{
"id": "1b344438454d839591d3a7defa491222ae16943896484d770b7084891c401715",
"url": "https://osv.dev/vulnerability/CVE-2017-2635",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-2635",
"summary": "A NULL pointer deference flaw was found in the way libvirt from 2.5.0 to 3.0.0 handled empty drives. A remote authenticated attacker could use this flaw to crash libvirtd daemon resulting in denial of service.",
"evidence": "osv:CVE-2017-2635",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2017-2635",
"aliases": [
"CVE-2017-2635"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/libvirt/libvirt",
"type": "GIT",
"events": [
{
"introduced": "20f9a22c2743d1ef558ea481e109486b3aa0787f"
},
{
"last_affected": "aee1e1feac1e0c6ec410379e71e466ee16d8396e"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.5.0"
},
{
"last_affected": "3.0.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v3.0.0",
"v3.0.0-rc2",
"v3.0.0-rc1",
"v2.5.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-2635.json"
}
},
{
"ranges": [
{
"repo": "https://gitlab.com/libvirt/libvirt",
"type": "GIT",
"events": [
{
"introduced": "20f9a22c2743d1ef558ea481e109486b3aa0787f"
},
{
"last_affected": "aee1e1feac1e0c6ec410379e71e466ee16d8396e"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.5.0"
},
{
"last_affected": "3.0.0"
}
],
"source": "CPE_RANGE"
}
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}
}
],
"versions": [
"v3.0.0",
"v3.0.0-rc2",
"v3.0.0-rc1",
"v2.5.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-2635.json"
}
}
],
"modified": "2026-10-24T10:30:21.821022134Z",
"provider": "osv",
"references": [
"https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=c3de387380f6057ee0e46cd9f2f0a092e8070875",
"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2635"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2017-2635",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430566,
"published_at": "2018-08-22T21:29:00.43+00:00"
}