USN-4541-1 (UBUNTU-CVE-2018-19490)
Vulnerability from osv_ubuntu – Published: 2020-09-25 17:14 – Updated: 2026-04-27 14:11 – Source websiteTim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars discovered that Gnuplot did not properly validate string sizes in the df_generate_ascii_array_entry function. An attacker could possibly use this issue to cause a heap buffer overflow, resulting in a denial of service attack or arbitrary code execution. (CVE-2018-19490)
Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars discovered that Gnuplot did not properly validate string sizes in the PS_options function when the Gnuplot postscript terminal is used as a backend. An attacker could possibly use this issue to cause a buffer overflow, resulting in a denial of service attack or arbitrary code execution. (CVE-2018-19491)
Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars discovered that Gnuplot did not properly validate string sizes in the cairotrm_options function when the Gnuplot postscript terminal is used as a backend. An attacker could possibly use this issue to cause a buffer overflow, resulting in a denial of service attack or arbitrary code execution. (CVE-2018-19492)
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2018-19490",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2018-19491",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2018-19492",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "gnuplot",
"binary_version": "4.6.6-3ubuntu0.1"
},
{
"binary_name": "gnuplot-data",
"binary_version": "4.6.6-3ubuntu0.1"
},
{
"binary_name": "gnuplot-nox",
"binary_version": "4.6.6-3ubuntu0.1"
},
{
"binary_name": "gnuplot-qt",
"binary_version": "4.6.6-3ubuntu0.1"
},
{
"binary_name": "gnuplot-tex",
"binary_version": "4.6.6-3ubuntu0.1"
},
{
"binary_name": "gnuplot-x11",
"binary_version": "4.6.6-3ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "gnuplot",
"purl": "pkg:deb/ubuntu/gnuplot@4.6.6-3ubuntu0.1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.6.6-3ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.6.6-2",
"4.6.6-3"
]
}
],
"aliases": [],
"details": "Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars \ndiscovered that Gnuplot did not properly validate string sizes in the\ndf_generate_ascii_array_entry function. An attacker could possibly use\nthis issue to cause a heap buffer overflow, resulting in a denial of \nservice attack or arbitrary code execution. (CVE-2018-19490)\n\nTim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars \ndiscovered that Gnuplot did not properly validate string sizes in the \nPS_options function when the Gnuplot postscript terminal is used as a \nbackend. An attacker could possibly use this issue to cause a buffer\noverflow, resulting in a denial of service attack or arbitrary code \nexecution. (CVE-2018-19491)\n\nTim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars \ndiscovered that Gnuplot did not properly validate string sizes in the \ncairotrm_options function when the Gnuplot postscript terminal is used as\na backend. An attacker could possibly use this issue to cause a buffer\noverflow, resulting in a denial of service attack or arbitrary code \nexecution. (CVE-2018-19492)\n",
"id": "USN-4541-1",
"modified": "2026-04-27T14:11:25Z",
"published": "2020-09-25T17:14:48Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4541-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-19490"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-19491"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-19492"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "gnuplot vulnerabilities",
"upstream": [
"UBUNTU-CVE-2018-19490",
"UBUNTU-CVE-2018-19491",
"UBUNTU-CVE-2018-19492"
]
}
Sightings
| Author | Source | Type | Date | Other |
|---|
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