ubuntu-cve-2020-36277
Vulnerability from osv_ubuntu
Published
2021-03-11 21:15
Modified
2026-04-22 07:39
Summary
Details

Leptonica before 1.80.0 allows a denial of service (application crash) via an incorrect left shift in pixConvert2To8 in pixconv.c.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "leptonica-progs",
            "binary_version": "1.70.1-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "liblept4",
            "binary_version": "1.70.1-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "leptonlib",
        "purl": "pkg:deb/ubuntu/leptonlib@1.70.1-1ubuntu0.1~esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.69-4ubuntu1",
        "1.69-4ubuntu2",
        "1.69-4ubuntu3",
        "1.69-4ubuntu4",
        "1.70.1-1",
        "1.70.1-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "leptonica-progs",
            "binary_version": "1.73-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "liblept5",
            "binary_version": "1.73-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "leptonlib",
        "purl": "pkg:deb/ubuntu/leptonlib@1.73-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.72-3",
        "1.72-3build1",
        "1.73-1",
        "1.73-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "leptonica-progs",
            "binary_version": "1.75.3-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "liblept5",
            "binary_version": "1.75.3-3ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "leptonlib",
        "purl": "pkg:deb/ubuntu/leptonlib@1.75.3-3ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.74.4-1",
        "1.74.4-2",
        "1.75.3-1",
        "1.75.3-2",
        "1.75.3-3",
        "1.75.3-3ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "leptonica-progs",
            "binary_version": "1.79.0-1"
          },
          {
            "binary_name": "liblept5",
            "binary_version": "1.79.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "leptonlib",
        "purl": "pkg:deb/ubuntu/leptonlib@1.79.0-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.78.0-2",
        "1.79.0-1"
      ]
    }
  ],
  "aliases": [],
  "details": "Leptonica before 1.80.0 allows a denial of service (application crash) via an incorrect left shift in pixConvert2To8 in pixconv.c.",
  "id": "UBUNTU-CVE-2020-36277",
  "modified": "2026-04-22T07:39:40Z",
  "published": "2021-03-11T21:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-36277"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21997"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/DanBloomberg/leptonica/pull/499"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-36277"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-36277"
  ]
}



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