ubuntu-cve-2019-6977
Vulnerability from osv_ubuntu
Published
2019-01-26 00:00
Modified
2026-04-22 07:38
Summary
Details

gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trigger imagecolormatch calls with crafted image data.

Severity
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libgd-tools",
            "binary_version": "2.1.0-3ubuntu0.11"
          },
          {
            "binary_name": "libgd3",
            "binary_version": "2.1.0-3ubuntu0.11"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "libgd2",
        "purl": "pkg:deb/ubuntu/libgd2@2.1.0-3ubuntu0.11?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0-3ubuntu0.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.1.0-2",
        "2.1.0-3",
        "2.1.0-3ubuntu0.1",
        "2.1.0-3ubuntu0.2",
        "2.1.0-3ubuntu0.3",
        "2.1.0-3ubuntu0.5",
        "2.1.0-3ubuntu0.6",
        "2.1.0-3ubuntu0.7",
        "2.1.0-3ubuntu0.8",
        "2.1.0-3ubuntu0.10"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libgd-tools",
            "binary_version": "2.1.1-4ubuntu0.16.04.11"
          },
          {
            "binary_name": "libgd3",
            "binary_version": "2.1.1-4ubuntu0.16.04.11"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libgd2",
        "purl": "pkg:deb/ubuntu/libgd2@2.1.1-4ubuntu0.16.04.11?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.1-4ubuntu0.16.04.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.1.1-4build1",
        "2.1.1-4build2",
        "2.1.1-4ubuntu0.16.04.1",
        "2.1.1-4ubuntu0.16.04.2",
        "2.1.1-4ubuntu0.16.04.3",
        "2.1.1-4ubuntu0.16.04.5",
        "2.1.1-4ubuntu0.16.04.6",
        "2.1.1-4ubuntu0.16.04.7",
        "2.1.1-4ubuntu0.16.04.8",
        "2.1.1-4ubuntu0.16.04.10"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libgd-tools",
            "binary_version": "2.2.5-4ubuntu0.3"
          },
          {
            "binary_name": "libgd3",
            "binary_version": "2.2.5-4ubuntu0.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "libgd2",
        "purl": "pkg:deb/ubuntu/libgd2@2.2.5-4ubuntu0.3?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.5-4ubuntu0.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.5-3",
        "2.2.5-4",
        "2.2.5-4ubuntu0.2"
      ]
    }
  ],
  "aliases": [],
  "details": "gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trigger imagecolormatch calls with crafted image data.",
  "id": "UBUNTU-CVE-2019-6977",
  "modified": "2026-04-22T07:38:53Z",
  "published": "2019-01-26T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-6977"
    },
    {
      "type": "REPORT",
      "url": "http://php.net/ChangeLog-5.php"
    },
    {
      "type": "REPORT",
      "url": "http://php.net/ChangeLog-7.php"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3900-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-6977"
    }
  ],
  "related": [
    "USN-3900-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-6977"
  ]
}



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