HighFix available
gnuplot — security advisory
An issue was discovered in datafile.c in Gnuplot 5.2.5. This issue allows an attacker to conduct a heap-based buffer overflow with an arbitrary amount of data in df_generate_ascii_array_entry. To exploit this vulnerability, an attacker must pass an overlong string as the right bound of the range argument that is passed to the plot function.
- Products
- gnuplot
- Affected versions
- Not specified
- Fixed versions
- 5.4.0+dfsg1-1
- CVEs
- CVE-2018-19490
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:28 UTC · Revision 1
Source evidence
An issue was discovered in datafile.c in Gnuplot 5.2.5. This issue allows an attacker to conduct a heap-based buffer overflow with an arbitrary amount of data in df_generate_ascii_array_entry. To exploit this vulnerability, an attacker must pass an overlong string as the right bound of the range argument that is passed to the plot function.
osv:DEBIAN-CVE-2018-19490
gnuplot
Fixed versions: 5.4.0+dfsg1-1
gnuplot
Fixed versions: 5.4.0+dfsg1-1
gnuplot
Fixed versions: 5.4.0+dfsg1-1
Complete source record
{
"id": "16e6a0b93e929952093272c96b66e77433ef1fda6298806111c88e1cfc19d60c",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-19490",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-19490",
"summary": "An issue was discovered in datafile.c in Gnuplot 5.2.5. This issue allows an attacker to conduct a heap-based buffer overflow with an arbitrary amount of data in df_generate_ascii_array_entry. To exploit this vulnerability, an attacker must pass an overlong string as the right bound of the range argument that is passed to the plot function.",
"evidence": "osv:DEBIAN-CVE-2018-19490",
"products": [
{
"name": {
"value": "gnuplot",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.4.0+dfsg1-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "gnuplot",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.4.0+dfsg1-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/2/package/name"
},
"prerequisites": [],
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{
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"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2018-19490",
"aliases": [
"DEBIAN-CVE-2018-19490"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
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}
]
}
],
"package": {
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"purl": "pkg:deb/debian/gnuplot?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-19490.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
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"events": [
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},
{
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}
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}
],
"package": {
"name": "gnuplot",
"purl": "pkg:deb/debian/gnuplot?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-19490.json"
},
"ecosystem_specific": {
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},
{
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{
"introduced": "0"
},
{
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}
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}
],
"package": {
"name": "gnuplot",
"purl": "pkg:deb/debian/gnuplot?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-19490.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-23T18:03:20.338158278Z",
"provider": "osv",
"upstream": [
"CVE-2018-19490"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-19490"
]
},
"related_cves": [
{
"value": "CVE-2018-19490",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 421203,
"published_at": "2018-11-23T17:29:00.267+00:00"
}