HighFix available
graphviz — security advisory
Buffer Overflow in Graphviz Graph Visualization Tools from commit ID f8b9e035 and earlier allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by loading a crafted file into the "lib/common/shapes.c" component.
- Products
- graphviz
- Affected versions
- Not specified
- Fixed versions
- 2.42.2-5
- CVEs
- CVE-2020-18032
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 13:28 UTC · Revision 1
Source evidence
Buffer Overflow in Graphviz Graph Visualization Tools from commit ID f8b9e035 and earlier allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by loading a crafted file into the "lib/common/shapes.c" component.
osv:DEBIAN-CVE-2020-18032
graphviz
Fixed versions: 2.42.2-5
graphviz
Fixed versions: 2.42.2-5
graphviz
Fixed versions: 2.42.2-5
Complete source record
{
"id": "1b97c2f2f2ac97a4ae442ba74287680adad16302f57683ea24b264b83cd491a3",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-18032",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2020-18032",
"summary": "Buffer Overflow in Graphviz Graph Visualization Tools from commit ID f8b9e035 and earlier allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by loading a crafted file into the \"lib/common/shapes.c\" component.",
"evidence": "osv:DEBIAN-CVE-2020-18032",
"products": [
{
"name": {
"value": "graphviz",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.42.2-5",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "graphviz",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.42.2-5",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "graphviz",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.42.2-5",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2020-18032",
"aliases": [
"DEBIAN-CVE-2020-18032"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.42.2-5"
}
]
}
],
"package": {
"name": "graphviz",
"purl": "pkg:deb/debian/graphviz?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-18032.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.42.2-5"
}
]
}
],
"package": {
"name": "graphviz",
"purl": "pkg:deb/debian/graphviz?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-18032.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.42.2-5"
}
]
}
],
"package": {
"name": "graphviz",
"purl": "pkg:deb/debian/graphviz?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-18032.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T12:02:29.258557675Z",
"provider": "osv",
"upstream": [
"CVE-2020-18032"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2020-18032"
]
},
"related_cves": [
{
"value": "CVE-2020-18032",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 452343,
"published_at": "2021-04-29T18:15:08.793+00:00"
}