Medium
Security advisory
A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-18391
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:28 UTC · Revision 1
Source evidence
A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.
osv:CVE-2019-18391
Complete source record
{
"id": "751e6e8cfe195601fc8987b84fe020dcafdaa11014333400455ff246d7926708",
"url": "https://osv.dev/vulnerability/CVE-2019-18391",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-18391",
"summary": "A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.",
"evidence": "osv:CVE-2019-18391",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2019-18391",
"aliases": [
"CVE-2019-18391"
],
"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://gitlab.freedesktop.org/virgl/virglrenderer",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "48cc96c9aebb9d0164830a157efc8916f08f00c0"
},
{
"fixed": "2abeb1802e3c005b17a7123e382171b3fb665971"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:virglrenderer_project:virglrenderer:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "0.8.0"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "2abeb1802e3c005b17a7123e382171b3fb665971"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"virglrenderer-0.8.0",
"virglrenderer-0.7.0",
"virglrenderer-0.6.0",
"virglrenderer-0.5.0",
"virglrenderer-0.4.0",
"virglrenderer-0.2.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18391.json",
"vanir_signatures": [
{
"id": "CVE-2019-18391-63b8d975",
"digest": {
"threshold": 0.9,
"line_hashes": [
"141347552855496777097344773898259692485",
"82080927564456806118201595730806083281",
"131488419841163818612352952790316771532",
"179374455104432204473931856842977731797",
"246807098594516868691158148183117145951",
"222831613115720448266449545946457512616",
"74242174258136130087693362986902961587",
"3502818426200585911477805202201942903",
"142564961026162174146415219564087598519",
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"290125616691850514668800301380185149003",
"171665016758568753867956158656064040453"
]
},
"source": "https://gitlab.freedesktop.org/virgl/virglrenderer@2abeb1802e3c005b17a7123e382171b3fb665971",
"target": {
"file": "src/vrend_renderer.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2019-18391-74eaed2f",
"digest": {
"length": 7210,
"function_hash": "118250254458798477934576909953554061388"
},
"source": "https://gitlab.freedesktop.org/virgl/virglrenderer@2abeb1802e3c005b17a7123e382171b3fb665971",
"target": {
"file": "src/vrend_renderer.c",
"function": "vrend_renderer_transfer_write_iov"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T13:40:39Z"
}
}
],
"modified": "2026-10-20T13:40:39.746709974Z",
"provider": "osv",
"references": [
"https://access.redhat.com/security/cve/cve-2019-18391",
"https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=8c9cfb4e425542e96f0717189fe4658555baaf08",
"https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html",
"https://bugzilla.redhat.com/show_bug.cgi?id=1765589",
"https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a7123e382171b3fb665971"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "10.0"
},
{
"last_affected": "10.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
],
"vendor_product": "opensuse:leap",
"extracted_events": [
{
"range": [
{
"introduced": "15.1"
},
{
"last_affected": "15.1"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2019-18391",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 387950,
"published_at": "2019-12-23T16:15:11.32+00:00"
}