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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-13113

An issue was discovered in libexif before 0.6.22. Use of uninitialized memory in EXIF Makernote handling could lead to crashes and potential use-after-free conditions.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2020-13113
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 09:03 UTC · Revision 1

Source evidence

CVE-2020-13113

core-osv · Original source

Published 21 May 2020, 17:15 UTC

An issue was discovered in libexif before 0.6.22. Use of uninitialized memory in EXIF Makernote handling could lead to crashes and potential use-after-free conditions.

osv:CVE-2020-13113
Complete source record
{
  "id": "28d32c8d9990034b68cee9d1318c5a8a4b5e9ca299b6eabfa13b9bb3a688c6d2",
  "url": "https://osv.dev/vulnerability/CVE-2020-13113",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-13113",
    "summary": "An issue was discovered in libexif before 0.6.22. Use of uninitialized memory in EXIF Makernote handling could lead to crashes and potential use-after-free conditions.",
    "evidence": "osv:CVE-2020-13113",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-13113",
      "aliases": [
        "A-196085005",
        "ASB-A-196085005",
        "CVE-2020-13113"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/libexif/exif",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "edad134a28caaa7ea324b8c075bde52da05ad7d9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libexif_project:libexif:*:*:*:*:*:*:*:*",
                    "range": [
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                        "introduced": "0"
                      },
                      {
                        "fixed": "0.6.22"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
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              }
            }
          ],
          "versions": [
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            "exif-0_6_21-release",
            "exif-0_6_20-release",
            "exif-0_6_19-release",
            "exif-0_6_18-release",
            "exif-0_6_17-release",
            "exif-0_6_15-release",
            "exif-0_6_9-release",
            "exif-0_6-release"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13113.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/libexif/libexif",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3cc7842ca200a4da4bd65850e3c20d5a1811afa7"
                },
                {
                  "fixed": "ec412aa4583ad71ecabb967d3c77162760169d1f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libexif_project:libexif:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.6.22"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "ec412aa4583ad71ecabb967d3c77162760169d1f"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
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            "libexif-0_6_21-release",
            "libexif-0_6_20-release",
            "libexif-0_6_19-release",
            "libexif-0_6_18-release",
            "libexif-0_6_17-release",
            "libexif-0_6_16-release",
            "libexif-0_6_15-release",
            "libexif-0_6_14-release",
            "libexif-0_6_12-release",
            "libexif-before-0_6_0-api-change",
            "libexif-0_5_9-release",
            "libexif-0_5_7-release",
            "libexif-0_5_7-rc4",
            "libexif-0_5_7-rc3",
            "libexif-0_5_7-rc2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13113.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-13113-94b8b898",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
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                    "133352749772712821961584651055235107129",
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                  ]
                },
                "source": "https://github.com/libexif/libexif/commit/ec412aa4583ad71ecabb967d3c77162760169d1f",
                "target": {
                  "file": "libexif/pentax/exif-mnote-data-pentax.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-13113-a2502673",
                "digest": {
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                  "line_hashes": [
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                },
                "source": "https://github.com/libexif/libexif/commit/ec412aa4583ad71ecabb967d3c77162760169d1f",
                "target": {
                  "file": "libexif/olympus/exif-mnote-data-olympus.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-13113-a2eb331e",
                "digest": {
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                  "line_hashes": [
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                },
                "source": "https://github.com/libexif/libexif/commit/ec412aa4583ad71ecabb967d3c77162760169d1f",
                "target": {
                  "file": "libexif/canon/exif-mnote-data-canon.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-13113-af3fbf42",
                "digest": {
                  "length": 3532,
                  "function_hash": "60821619512570704490696459539065569381"
                },
                "source": "https://github.com/libexif/libexif/commit/ec412aa4583ad71ecabb967d3c77162760169d1f",
                "target": {
                  "file": "libexif/pentax/exif-mnote-data-pentax.c",
                  "function": "exif_mnote_data_pentax_load"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-13113-b11b808f",
                "digest": {
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                  "line_hashes": [
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                    "59814921405938895402439206079570764350"
                  ]
                },
                "source": "https://github.com/libexif/libexif/commit/ec412aa4583ad71ecabb967d3c77162760169d1f",
                "target": {
                  "file": "libexif/fuji/exif-mnote-data-fuji.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-13113-b8c82fdb",
                "digest": {
                  "length": 2842,
                  "function_hash": "20638438429645367164789719521734894738"
                },
                "source": "https://github.com/libexif/libexif/commit/ec412aa4583ad71ecabb967d3c77162760169d1f",
                "target": {
                  "file": "libexif/fuji/exif-mnote-data-fuji.c",
                  "function": "exif_mnote_data_fuji_load"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-13113-d6752acb",
                "digest": {
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                  "function_hash": "287078706475236992644152500043678847654"
                },
                "source": "https://github.com/libexif/libexif/commit/ec412aa4583ad71ecabb967d3c77162760169d1f",
                "target": {
                  "file": "libexif/olympus/exif-mnote-data-olympus.c",
                  "function": "exif_mnote_data_olympus_load"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-13113-d9365afb",
                "digest": {
                  "length": 2658,
                  "function_hash": "191996382206296598990556007166730683120"
                },
                "source": "https://github.com/libexif/libexif/commit/ec412aa4583ad71ecabb967d3c77162760169d1f",
                "target": {
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                  "function": "exif_mnote_data_canon_load"
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                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-24T14:05:20Z"
          }
        }
      ],
      "modified": "2026-10-24T14:05:20.824814068Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html",
        "https://security.gentoo.org/glsa/202007-05",
        "https://usn.ubuntu.com/4396-1/",
        "https://github.com/libexif/libexif/commit/ec412aa4583ad71ecabb967d3c77162760169d1f"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
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            "cpes": [
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              "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
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                "range": [
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                    "introduced": "12.04"
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                  {
                    "last_affected": "12.04"
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                  {
                    "introduced": "14.04"
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                  {
                    "last_affected": "14.04"
                  },
                  {
                    "introduced": "16.04"
                  },
                  {
                    "last_affected": "16.04"
                  },
                  {
                    "introduced": "18.04"
                  },
                  {
                    "last_affected": "18.04"
                  },
                  {
                    "introduced": "19.10"
                  },
                  {
                    "last_affected": "19.10"
                  },
                  {
                    "introduced": "20.04"
                  },
                  {
                    "last_affected": "20.04"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
            ],
            "vendor_product": "opensuse:leap",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "15.1"
                  },
                  {
                    "last_affected": "15.1"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-13113",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 442937,
  "published_at": "2020-05-21T17:15:10.29+00:00"
}