Security advisory

{
  "id": "7170bc8b4c956c05f6822942dfe8f685855bf127e76b94ddcc1495be888fc7cf",
  "url": "https://osv.dev/vulnerability/CVE-2017-7544",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-7544",
    "summary": "libexif through 0.6.21 is vulnerable to out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c caused by improper length computation of the allocated data of an ExifMnote entry which can cause denial-of-service or possibly information disclosure.",
    "evidence": "osv:CVE-2017-7544",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2017-7544",
      "aliases": [
        "CVE-2017-7544"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/libexif/exif",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "faee2711aed6a1a2046d5f0fd89c1c894cd73400"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libexif_project:libexif:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.6.21"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "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-2017-7544.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/libexif/libexif",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "9ab318d93b274df204c195c9a729f778401a8d8f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libexif_project:libexif:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.6.21"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "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-2017-7544.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:45.932062588Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html",
        "https://usn.ubuntu.com/4277-1/",
        "https://sourceforge.net/p/libexif/bugs/130/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-7544",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436233,
  "published_at": "2017-09-21T21:29:00.4+00:00"
}