ubuntu-cve-2021-23191
Vulnerability from osv_ubuntu
Published
2022-03-02 23:15
Modified
2025-09-08 16:46
Summary
Details

A security issue was found in htmldoc v1.9.12 and before. A NULL pointer dereference in the function image_load_jpeg() in image.cxx may result in denial of service.

Severity
7.8 (High)
CVSS:3.1/AV:L/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": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "htmldoc",
            "binary_version": "1.8.27-8ubuntu1+esm3"
          },
          {
            "binary_name": "htmldoc-common",
            "binary_version": "1.8.27-8ubuntu1+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "htmldoc",
        "purl": "pkg:deb/ubuntu/htmldoc@1.8.27-8ubuntu1+esm3?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.8.27-8ubuntu1+esm3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.27-8ubuntu1",
        "1.8.27-8ubuntu1+esm1",
        "1.8.27-8ubuntu1+esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "htmldoc",
            "binary_version": "1.8.27-8ubuntu1.1+esm2"
          },
          {
            "binary_name": "htmldoc-common",
            "binary_version": "1.8.27-8ubuntu1.1+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "htmldoc",
        "purl": "pkg:deb/ubuntu/htmldoc@1.8.27-8ubuntu1.1+esm2?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.8.27-8ubuntu1.1+esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.27-8ubuntu1",
        "1.8.27-8ubuntu1.1",
        "1.8.27-8ubuntu1.1+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "htmldoc",
            "binary_version": "1.9.2-1ubuntu0.2+esm1"
          },
          {
            "binary_name": "htmldoc-common",
            "binary_version": "1.9.2-1ubuntu0.2+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "htmldoc",
        "purl": "pkg:deb/ubuntu/htmldoc@1.9.2-1ubuntu0.2+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.2-1ubuntu0.2+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.27-8ubuntu2",
        "1.8.27-8ubuntu3",
        "1.9.2-1",
        "1.9.2-1ubuntu0.1",
        "1.9.2-1ubuntu0.2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "htmldoc",
            "binary_version": "1.9.7-1ubuntu0.3+esm1"
          },
          {
            "binary_name": "htmldoc-common",
            "binary_version": "1.9.7-1ubuntu0.3+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "htmldoc",
        "purl": "pkg:deb/ubuntu/htmldoc@1.9.7-1ubuntu0.3+esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.7-1ubuntu0.3+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9.3-1",
        "1.9.7-1",
        "1.9.7-1build1",
        "1.9.7-1ubuntu0.2",
        "1.9.7-1ubuntu0.3"
      ]
    }
  ],
  "aliases": [],
  "details": "A security issue was found in htmldoc v1.9.12 and before. A NULL pointer dereference in the function image_load_jpeg() in image.cxx may result in denial of service.",
  "id": "UBUNTU-CVE-2021-23191",
  "modified": "2025-09-08T16:46:59Z",
  "published": "2022-03-02T23:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-23191"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/michaelrsweet/htmldoc/issues/415"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-23191"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7189-1"
    }
  ],
  "related": [
    "USN-7189-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-23191"
  ]
}



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