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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-25693

A flaw was found in CImg in versions prior to 2.9.3. Integer overflows leading to heap buffer overflows in load_pnm() can be triggered by a specially crafted input file processed by CImg, which can lead to an impact to application availability or data integrity.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2020-25693
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 07:36 UTC · Revision 1

Source evidence

CVE-2020-25693

core-osv · Original source

Published 3 Dec 2020, 17:15 UTC

A flaw was found in CImg in versions prior to 2.9.3. Integer overflows leading to heap buffer overflows in load_pnm() can be triggered by a specially crafted input file processed by CImg, which can lead to an impact to application availability or data integrity.

osv:CVE-2020-25693
Complete source record
{
  "id": "7cddb53133bd4d51b0cd5e9a04a7ae90c9f5fd4afafd3a3fffc4ab047a37fe1e",
  "url": "https://osv.dev/vulnerability/CVE-2020-25693",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-25693",
    "summary": "A flaw was found in CImg in versions prior to 2.9.3. Integer overflows leading to heap buffer overflows in load_pnm() can be triggered by a specially crafted input file processed by CImg, which can lead to an impact to application availability or data integrity.",
    "evidence": "osv:CVE-2020-25693",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-25693",
      "aliases": [
        "CVE-2020-25693"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/GreycLab/CImg",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "16f1e3a93453ce750e56e9b78f0b8560bf35028c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:cimg:cimg:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.9.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v.2.9.2",
            "v.2.9.1",
            "v.2.9.0",
            "v.2.8.4",
            "v.2.8.3",
            "v.2.8.2",
            "v.2.8.1",
            "v.2.8.0",
            "v.2.7.5",
            "v.2.7.4",
            "v.2.7.3",
            "v.2.7.2",
            "v.2.7.1",
            "v.2.7.0",
            "v.2.6.7",
            "v.2.6.6",
            "v.2.6.5",
            "v.2.6.4",
            "v.2.6.3",
            "v.2.6.2",
            "v.2.6.1",
            "v.2.6.0",
            "v.2.5.7",
            "v.2.5.6",
            "v.2.5.5",
            "v.2.5.4",
            "v.2.5.3",
            "v.2.5.2",
            "v.2.5.1",
            "v.2.5.0",
            "v.2.4.5",
            "v.2.4.4",
            "v.2.4.3",
            "v.2.4.2",
            "v.2.4.1",
            "v.2.4.0",
            "v.2.3.6",
            "v.2.3.5",
            "v.2.3.4",
            "v.2.3.3",
            "v.2.3.2",
            "v.2.3.1",
            "v.2.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25693.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/greyclab/cimg",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "16f1e3a93453ce750e56e9b78f0b8560bf35028c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:cimg:cimg:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.9.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v.2.9.2",
            "v.2.9.1",
            "v.2.9.0",
            "v.2.8.4",
            "v.2.8.3",
            "v.2.8.2",
            "v.2.8.1",
            "v.2.8.0",
            "v.2.7.5",
            "v.2.7.4",
            "v.2.7.3",
            "v.2.7.2",
            "v.2.7.1",
            "v.2.7.0",
            "v.2.6.7",
            "v.2.6.6",
            "v.2.6.5",
            "v.2.6.4",
            "v.2.6.3",
            "v.2.6.2",
            "v.2.6.1",
            "v.2.6.0",
            "v.2.5.7",
            "v.2.5.6",
            "v.2.5.5",
            "v.2.5.4",
            "v.2.5.3",
            "v.2.5.2",
            "v.2.5.1",
            "v.2.5.0",
            "v.2.4.5",
            "v.2.4.4",
            "v.2.4.3",
            "v.2.4.2",
            "v.2.4.1",
            "v.2.4.0",
            "v.2.3.6",
            "v.2.3.5",
            "v.2.3.4",
            "v.2.3.3",
            "v.2.3.2",
            "v.2.3.1",
            "v.2.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25693.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:55.522209737Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERBZALTF7LXN2LZLPGAUSVMV53GHHTUC/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MJ5Q7NNUPXATTBUKHFKIYYAV5GJDYCZL/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QZ3NPLYXZWEL7HETIFZVCXEZZ2WYYRWA/",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1893377"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  },
                  {
                    "introduced": "33"
                  },
                  {
                    "last_affected": "33"
                  },
                  {
                    "introduced": "34"
                  },
                  {
                    "last_affected": "34"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-25693",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438438,
  "published_at": "2020-12-03T17:15:12.567+00:00"
}