Medium
Security advisory
The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 allows local users to cause a denial of service (buffer overflow) or possibly have unspecified other impact by creating a symlink through which the openlitespeed program can be invoked with a long command name (involving ../ characters), which is mishandled in the LshttpdMain::getServerRootFromExecutablePath function.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-19792
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:09 UTC · Revision 1
Source evidence
The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 allows local users to cause a denial of service (buffer overflow) or possibly have unspecified other impact by creating a symlink through which the openlitespeed program can be invoked with a long command name (involving ../ characters), which is mishandled in the LshttpdMain::getServerRootFromExecutablePath function.
osv:CVE-2018-19792
Complete source record
{
"id": "bb7ccda57226bc1fd56f49d7317cba60a8e5c6408a2fd16ec66c6b2e2d740a4e",
"url": "https://osv.dev/vulnerability/CVE-2018-19792",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-19792",
"summary": "The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 allows local users to cause a denial of service (buffer overflow) or possibly have unspecified other impact by creating a symlink through which the openlitespeed program can be invoked with a long command name (involving ../ characters), which is mishandled in the LshttpdMain::getServerRootFromExecutablePath function.",
"evidence": "osv:CVE-2018-19792",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-19792",
"aliases": [
"CVE-2018-19792"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/litespeedtech/openlitespeed",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "4c94f0da251caa002f65da873b9282fd91d7668a"
},
{
"introduced": "0d47738b6c129f556c67eba4358c061d062bba6e"
},
{
"last_affected": "a71750f9a6d3ab3306b255ab4fc3a514adab6f2f"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:litespeedtech:openlitespeed:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "1.4.41"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:litespeedtech:openlitespeed:1.5.0:rc1:*:*:*:*:*:*",
"range": [
{
"introduced": "1.5.0-rc1"
},
{
"last_affected": "1.5.0-rc1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:litespeedtech:openlitespeed:1.5.0:rc2:*:*:*:*:*:*",
"range": [
{
"introduced": "1.5.0-rc2"
},
{
"last_affected": "1.5.0-rc2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:litespeedtech:openlitespeed:1.5.0:rc3:*:*:*:*:*:*",
"range": [
{
"introduced": "1.5.0-rc3"
},
{
"last_affected": "1.5.0-rc3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:litespeedtech:openlitespeed:1.5.0:rc4:*:*:*:*:*:*",
"range": [
{
"introduced": "1.5.0-rc4"
},
{
"last_affected": "1.5.0-rc4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:litespeedtech:openlitespeed:1.5.0:rc5:*:*:*:*:*:*",
"range": [
{
"introduced": "1.5.0-rc5"
},
{
"last_affected": "1.5.0-rc5"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"1.5.0-rc1",
"1.5.0-rc2",
"1.5.0-rc3",
"1.5.0-rc4",
"1.5.0-rc5",
"v1.4.39",
"v1.4.41",
"v1.5.0rc5",
"v1.4.40",
"v1.4.38",
"v1.4.37",
"v1.4.36",
"v1.4.35",
"v1.5.0rc4",
"v1.4.34",
"v1.4.33",
"v1.4.32",
"v1.5.0rc3",
"v1.4.31",
"v1.4.30",
"v1.5.0rc2",
"v1.5.0rc1",
"v1.4.29",
"v1.4.28",
"v1.4.27",
"v1.4.26",
"v1.4.25",
"v1.4.24",
"v1.4.23",
"v1.4.22",
"v1.4.21",
"v1.4.20",
"v1.4.19",
"v1.4.18.1",
"v1.4.18",
"v1.4.17",
"v1.4.16",
"v1.4.15",
"v1.4.14",
"v1.4.13",
"v1.4.12",
"v1.4.11",
"v1.4.10",
"v1.4.8",
"v1.4.7",
"v1.4.6",
"v1.4.5",
"v1.4.4",
"v1.4.3",
"v1.4.0",
"v1.3.2",
"v1.3",
"v1.0.4"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19792.json"
}
}
],
"modified": "2026-10-20T10:49:54.414750746Z",
"provider": "osv",
"references": [
"https://github.com/litespeedtech/openlitespeed/issues/117"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-19792",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 380962,
"published_at": "2018-12-03T06:29:00.46+00:00"
}