USN-4541-1 (UBUNTU-CVE-2018-19490)

Vulnerability from osv_ubuntu – Published: 2020-09-25 17:14 – Updated: 2026-04-27 14:11 – Source website
VLAI
Summary
gnuplot vulnerabilities
Details

Tim 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)

References
To clipboard 

{
  "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"
  ]
}



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