ubuntu-cve-2020-18831
Vulnerability from osv_ubuntu
Published
2023-08-22 19:15
Modified
2026-03-18 04:51
Summary
Details

Buffer Overflow vulnerability in tEXtToDataBuf function in pngimage.cpp in Exiv2 0.27.1 allows remote attackers to cause a denial of service and other unspecified impacts via use of crafted file.

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": {
        "binaries": [
          {
            "binary_name": "exiv2",
            "binary_version": "0.25-2.1ubuntu16.04.7+esm5"
          },
          {
            "binary_name": "libexiv2-14",
            "binary_version": "0.25-2.1ubuntu16.04.7+esm5"
          },
          {
            "binary_name": "libexiv2-dev",
            "binary_version": "0.25-2.1ubuntu16.04.7+esm5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "exiv2",
        "purl": "pkg:deb/ubuntu/exiv2@0.25-2.1ubuntu16.04.7+esm5?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.25-1ubuntu1",
        "0.25-2.1",
        "0.25-2.1ubuntu16.04.1",
        "0.25-2.1ubuntu16.04.2",
        "0.25-2.1ubuntu16.04.3",
        "0.25-2.1ubuntu16.04.4",
        "0.25-2.1ubuntu16.04.5",
        "0.25-2.1ubuntu16.04.6",
        "0.25-2.1ubuntu16.04.7+esm1",
        "0.25-2.1ubuntu16.04.7+esm2",
        "0.25-2.1ubuntu16.04.7+esm3",
        "0.25-2.1ubuntu16.04.7+esm4",
        "0.25-2.1ubuntu16.04.7+esm5"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "exiv2",
            "binary_version": "0.25-3.1ubuntu0.18.04.11+esm1"
          },
          {
            "binary_name": "libexiv2-14",
            "binary_version": "0.25-3.1ubuntu0.18.04.11+esm1"
          },
          {
            "binary_name": "libexiv2-dev",
            "binary_version": "0.25-3.1ubuntu0.18.04.11+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "exiv2",
        "purl": "pkg:deb/ubuntu/exiv2@0.25-3.1ubuntu0.18.04.11+esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.25-3.1",
        "0.25-3.1ubuntu0.18.04.1",
        "0.25-3.1ubuntu0.18.04.2",
        "0.25-3.1ubuntu0.18.04.3",
        "0.25-3.1ubuntu0.18.04.4",
        "0.25-3.1ubuntu0.18.04.5",
        "0.25-3.1ubuntu0.18.04.7",
        "0.25-3.1ubuntu0.18.04.9",
        "0.25-3.1ubuntu0.18.04.10",
        "0.25-3.1ubuntu0.18.04.11",
        "0.25-3.1ubuntu0.18.04.11+esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "Buffer Overflow vulnerability in tEXtToDataBuf function in pngimage.cpp in Exiv2 0.27.1 allows remote attackers to cause a denial of service and other unspecified impacts via use of crafted file.",
  "id": "UBUNTU-CVE-2020-18831",
  "modified": "2026-03-18T04:51:10Z",
  "published": "2023-08-22T19:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-18831"
    },
    {
      "type": "REPORT",
      "url": "https://www.exiv2.org/download.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-18831"
    }
  ],
  "related": [],
  "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-2020-18831"
  ],
  "withdrawn": "2026-03-19T04:52:01Z"
}



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