High
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, or QEMU guest-to-host escape and code execution, via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-18389
- 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, or QEMU guest-to-host escape and code execution, via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.
osv:CVE-2019-18389
Complete source record
{
"id": "a9c6522918edd1c6740e9486b3986e747fc76d901ecc826bbaf08b7994b73b5f",
"url": "https://osv.dev/vulnerability/CVE-2019-18389",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-18389",
"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, or QEMU guest-to-host escape and code execution, via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.",
"evidence": "osv:CVE-2019-18389",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2019-18389",
"aliases": [
"CVE-2019-18389"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://gitlab.freedesktop.org/virgl/virglrenderer",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "48cc96c9aebb9d0164830a157efc8916f08f00c0"
},
{
"fixed": "cbc8d8b75be360236cada63784046688aeb6d921"
}
],
"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": "cbc8d8b75be360236cada63784046688aeb6d921"
}
],
"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-2019-18389.json",
"vanir_signatures": [
{
"id": "CVE-2019-18389-12f47810",
"digest": {
"threshold": 0.9,
"line_hashes": [
"212982511386522358746273595671342497611",
"176747774204209346806457768416224481165",
"169961600532525220405558589553595170244"
]
},
"source": "https://gitlab.freedesktop.org/virgl/virglrenderer@cbc8d8b75be360236cada63784046688aeb6d921",
"target": {
"file": "src/virgl_hw.h"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2019-18389-203ebfe0",
"digest": {
"threshold": 0.9,
"line_hashes": [
"150023804409513975484122868535164136886",
"189283878556883249191112801145573941720",
"2708861587290119798094756257004263193",
"273175914684112087963643696582796120737",
"323302747453226056343584605309866162966",
"19447575492423849005765873006358988003",
"181403213380005488052820626626725544696",
"182022676534866431682732151249749610299",
"263897265348195184485703119549565851941",
"40029899954140331364357814857549437191",
"65797140655162890820635426628676327462",
"41198977083158660322491202228300537822",
"7824466507393594217165901777151291835",
"210342644148727675093932111662672900398",
"87142903983319738237289855629501246278",
"181290981331351594553469463719138539450",
"260826916990242396476795429736978634242",
"188947903820730673702306011043215310128",
"271460832934047377462164318394240116979",
"45733689806069258237816196943054068304",
"322040750450432822753016762875383628083",
"101946048269740007793673467700116581699",
"160342889137666347841325691495378316651"
]
},
"source": "https://gitlab.freedesktop.org/virgl/virglrenderer@cbc8d8b75be360236cada63784046688aeb6d921",
"target": {
"file": "src/vrend_renderer.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2019-18389-d1eccb1c",
"digest": {
"length": 1233,
"function_hash": "74716657909445027734381147258483684542"
},
"source": "https://gitlab.freedesktop.org/virgl/virglrenderer@cbc8d8b75be360236cada63784046688aeb6d921",
"target": {
"file": "src/vrend_renderer.c",
"function": "vrend_renderer_transfer_iov"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2019-18389-e12fc0e5",
"digest": {
"length": 1249,
"function_hash": "284910439952181846112313075504416121027"
},
"source": "https://gitlab.freedesktop.org/virgl/virglrenderer@cbc8d8b75be360236cada63784046688aeb6d921",
"target": {
"file": "src/vrend_renderer.c",
"function": "check_transfer_bounds"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T13:40:38Z"
}
}
],
"modified": "2026-10-20T13:40:38.958352097Z",
"provider": "osv",
"references": [
"https://access.redhat.com/security/cve/cve-2019-18389",
"https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html",
"https://bugzilla.redhat.com/show_bug.cgi?id=1765577",
"https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada63784046688aeb6d921",
"https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=9c280a28651507e6ef87b17b90d47b6af3a4ab7d"
],
"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-2019-18389",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 387949,
"published_at": "2019-12-23T16:15:11.167+00:00"
}