Security advisory

{
  "id": "634dd2ea83a2c58dc5e06da6d4383322f4365692e6c99403af14876673fc77d6",
  "url": "https://osv.dev/vulnerability/CVE-2018-19490",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "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:CVE-2018-19490",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-19490",
      "aliases": [
        "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": [
            {
              "repo": "https://github.com/gnuplot/gnuplot",
              "type": "GIT",
              "events": [
                {
                  "introduced": "3a62a7533537cab5e409fcd64f7ddc33d8915c32"
                },
                {
                  "last_affected": "3a62a7533537cab5e409fcd64f7ddc33d8915c32"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gnuplot:gnuplot:5.2.5:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.2.5"
                      },
                      {
                        "last_affected": "5.2.5"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.2.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19490.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:37.312683987Z",
      "provider": "osv",
      "references": [
        "https://usn.ubuntu.com/4541-1/",
        "https://lists.debian.org/debian-lts-announce/2018/11/msg00031.html",
        "https://lists.debian.org/debian-lts-announce/2018/11/msg00035.html",
        "https://sourceforge.net/p/gnuplot/gnuplot-main/ci/d5020716834582b20a5e12cdd49f39ee4f9dd949/",
        "https://sourceforge.net/p/gnuplot/bugs/2093/"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "opensuse:leap",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "15.0"
                  },
                  {
                    "last_affected": "15.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-19490",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 434189,
  "published_at": "2018-11-23T17:29:00.267+00:00"
}