ubuntu-cve-2020-21531
Vulnerability from osv_ubuntu
Published
2021-09-16 21:15
Modified
2025-10-24 04:48
Summary
Details

fig2dev 3.2.7b contains a global buffer overflow in the conv_pattern_index function in gencgm.c.


{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "transfig",
            "binary_version": "1:3.2.5.e-5ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "transfig",
        "purl": "pkg:deb/ubuntu/transfig@1:3.2.5.e-5ubuntu0.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:3.2.5.e-4",
        "1:3.2.5.e-5",
        "1:3.2.5.e-5ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "fig2dev",
            "binary_version": "1:3.2.6a-6ubuntu1.1"
          },
          {
            "binary_name": "transfig",
            "binary_version": "1:3.2.6a-6ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "fig2dev",
        "purl": "pkg:deb/ubuntu/fig2dev@1:3.2.6a-6ubuntu1.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:3.2.6a-6ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:3.2.6a-3",
        "1:3.2.6a-4",
        "1:3.2.6a-4ubuntu1",
        "1:3.2.6a-6ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "fig2dev",
            "binary_version": "1:3.2.7a-7ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "fig2dev",
        "purl": "pkg:deb/ubuntu/fig2dev@1:3.2.7a-7ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:3.2.7a-7ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:3.2.7a-7"
      ]
    }
  ],
  "aliases": [],
  "details": "fig2dev 3.2.7b contains a global buffer overflow in the conv_pattern_index function in gencgm.c.",
  "id": "UBUNTU-CVE-2020-21531",
  "modified": "2025-10-24T04:48:39Z",
  "published": "2021-09-16T21:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-21531"
    },
    {
      "type": "REPORT",
      "url": "https://sourceforge.net/p/mcj/tickets/63/"
    },
    {
      "type": "REPORT",
      "url": "https://sourceforge.net/p/mcj/fig2dev/ci/2f8d1ae9763dcdc99b88a2b14849fe37174bcd69/"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5864-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-21531"
    }
  ],
  "related": [
    "USN-5864-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-21531"
  ]
}



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