Vulnerability-Lookup

ubuntu-cve-2026-32775

Vulnerability from osv_ubuntu

Published

2026-03-16 14:19

Modified

2026-07-13 18:39

Summary

Details

libexif through 0.6.25 has a flaw in decoding MakerNotes. If the exif_mnote_data_get_value function gets passed in a 0 size, the passed in-buffer would be overwritten due to an integer underflow.

Severity

7.4 (High)


                    
                      CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2026-32775	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-32775	REPORT
	https://ubuntu.com/security/notices/USN-8531-1	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libexif12",
            "binary_version": "0.6.21-1ubuntu1+esm6"
          }
        ],
        "priority_reason": "Only an issue if an application misuses the API"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "libexif",
        "purl": "pkg:deb/ubuntu/libexif@0.6.21-1ubuntu1+esm6?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.21-1",
        "0.6.21-1ubuntu1",
        "0.6.21-1ubuntu1+esm1",
        "0.6.21-1ubuntu1+esm2",
        "0.6.21-1ubuntu1+esm5",
        "0.6.21-1ubuntu1+esm6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libexif12",
            "binary_version": "0.6.21-2ubuntu0.6"
          }
        ],
        "priority_reason": "Only an issue if an application misuses the API"
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libexif",
        "purl": "pkg:deb/ubuntu/libexif@0.6.21-2ubuntu0.6?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.21-2",
        "0.6.21-2ubuntu0.1",
        "0.6.21-2ubuntu0.2",
        "0.6.21-2ubuntu0.5",
        "0.6.21-2ubuntu0.6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libexif12",
            "binary_version": "0.6.21-4ubuntu0.6"
          }
        ],
        "priority_reason": "Only an issue if an application misuses the API"
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "libexif",
        "purl": "pkg:deb/ubuntu/libexif@0.6.21-4ubuntu0.6?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.21-2.1",
        "0.6.21-4",
        "0.6.21-4ubuntu0.1",
        "0.6.21-4ubuntu0.2",
        "0.6.21-4ubuntu0.5",
        "0.6.21-4ubuntu0.6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libexif12",
            "binary_version": "0.6.21-6ubuntu0.4"
          }
        ],
        "priority_reason": "Only an issue if an application misuses the API"
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "libexif",
        "purl": "pkg:deb/ubuntu/libexif@0.6.21-6ubuntu0.4?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.21-5.1",
        "0.6.21-6",
        "0.6.21-6ubuntu0.1",
        "0.6.21-6ubuntu0.3",
        "0.6.21-6ubuntu0.4"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libexif12",
            "binary_version": "0.6.24-1ubuntu0.22.04.1"
          }
        ],
        "priority_reason": "Only an issue if an application misuses the API"
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "libexif",
        "purl": "pkg:deb/ubuntu/libexif@0.6.24-1ubuntu0.22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.24-1ubuntu0.22.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.22-3",
        "0.6.22-3build1",
        "0.6.23-1",
        "0.6.24-1",
        "0.6.24-1build1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libexif12",
            "binary_version": "0.6.24-1ubuntu0.24.04.1"
          }
        ],
        "priority_reason": "Only an issue if an application misuses the API"
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "libexif",
        "purl": "pkg:deb/ubuntu/libexif@0.6.24-1ubuntu0.24.04.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.24-1build1",
        "0.6.24-1build2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libexif12",
            "binary_version": "0.6.25-1"
          }
        ],
        "priority_reason": "Only an issue if an application misuses the API"
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "libexif",
        "purl": "pkg:deb/ubuntu/libexif@0.6.25-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.25-1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libexif12",
            "binary_version": "0.6.25-2ubuntu0.1"
          }
        ],
        "priority_reason": "Only an issue if an application misuses the API"
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "libexif",
        "purl": "pkg:deb/ubuntu/libexif@0.6.25-2ubuntu0.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.25-2ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.25-1",
        "0.6.25-1build1",
        "0.6.25-2"
      ]
    }
  ],
  "aliases": [],
  "details": "libexif through 0.6.25 has a flaw in decoding MakerNotes. If the exif_mnote_data_get_value function gets passed in a 0 size, the passed in-buffer would be overwritten due to an integer underflow.",
  "id": "UBUNTU-CVE-2026-32775",
  "modified": "2026-07-13T18:39:19Z",
  "published": "2026-03-16T14:19:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-32775"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-32775"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8531-1"
    }
  ],
  "related": [
    "USN-8531-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-32775"
  ]
}

CVE-2026-32775 (GCVE-0-2026-32775)

Vulnerability from cvelistv5 – Published: 2026-03-16 06:31 – Updated: 2026-04-12 18:23

Summary

libexif through 0.6.25 has a flaw in decoding MakerNotes. If the exif_mnote_data_get_value function gets passed in a 0 size, the passed in-buffer would be overwritten due to an integer underflow.

Severity

7.4 (High)


                        
                          CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-191 - Integer Underflow (Wrap or Wraparound)

Assigner

mitre

References

2 references

URL	Tags
https://github.com/libexif/libexif/commit/7df372e…
https://github.com/libexif/libexif/issues/247

Impacted products

1 product

Vendor	Product	Version
libexif project	libexif	Affected: 0 , ≤ 0.6.25 (semver)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-32775",
                "options": [
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                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-16T13:45:37.578774Z",
                "version": "2.0.3"
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        ],
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        },
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    "cna": {
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          "vendor": "libexif project",
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
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      ],
      "cpeApplicability": [
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          "nodes": [
            {
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                {
                  "criteria": "cpe:2.3:a:libexif_project:libexif:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "0.6.25",
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                }
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          "lang": "en",
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      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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    "datePublished": "2026-03-16T06:31:36.015Z",
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usn-8531-1

Vulnerability from osv_ubuntu

Published

2026-07-13 12:15

Modified

2026-07-13 12:15

Summary

libexif vulnerabilities

Details

It was discovered that libexif had an integer overflow in its MakerNote decoder when called with a zero-length buffer. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-32775)

It was discovered that libexif had an integer overflow in its Nikon MakerNote handler on 32-bit systems. A local attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-40385)

It was discovered that libexif had an integer underflow in its size checking for Fuji and Olympus MakerNote decoding. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-40386)

References

URL

Type

	https://ubuntu.com/security/notices/USN-8531-1	ADVISORY
	https://ubuntu.com/security/CVE-2026-32775	REPORT
	https://ubuntu.com/security/CVE-2026-40385	REPORT
	https://ubuntu.com/security/CVE-2026-40386	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-32775",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
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                  "score": "low",
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                }
              ]
            },
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              "id": "CVE-2026-40385",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-40386",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libexif12",
            "binary_version": "0.6.24-1ubuntu0.22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "libexif",
        "purl": "pkg:deb/ubuntu/libexif@0.6.24-1ubuntu0.22.04.1?arch=source\u0026distro=jammy"
      },
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            },
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            }
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        }
      ],
      "versions": [
        "0.6.22-3",
        "0.6.22-3build1",
        "0.6.23-1",
        "0.6.24-1",
        "0.6.24-1build1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-32775",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
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                {
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              ]
            },
            {
              "id": "CVE-2026-40385",
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                {
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                },
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                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-40386",
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                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
                  "type": "CVSS_V3"
                },
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                }
              ]
            }
          ],
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        }
      },
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          }
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        "name": "libexif",
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                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
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              "id": "CVE-2026-40385",
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                  "type": "CVSS_V3"
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                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:26.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libexif12",
            "binary_version": "0.6.25-2ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "libexif",
        "purl": "pkg:deb/ubuntu/libexif@0.6.25-2ubuntu0.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.25-2ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.25-1",
        "0.6.25-1build1",
        "0.6.25-2"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that libexif had an integer overflow in its MakerNote\ndecoder when called with a zero-length buffer. An attacker could possibly\nuse this issue to cause a denial of service or obtain sensitive\ninformation. (CVE-2026-32775)\n\nIt was discovered that libexif had an integer overflow in its Nikon\nMakerNote handler on 32-bit systems. A local attacker could possibly use\nthis issue to cause a denial of service or obtain sensitive information.\n(CVE-2026-40385)\n\nIt was discovered that libexif had an integer underflow in its size\nchecking for Fuji and Olympus MakerNote decoding. An attacker could\npossibly use this issue to cause a denial of service or obtain sensitive\ninformation. (CVE-2026-40386)",
  "id": "USN-8531-1",
  "modified": "2026-07-13T12:15:07Z",
  "published": "2026-07-13T12:15:07Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8531-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-32775"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-40385"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-40386"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "libexif vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2026-32775",
    "UBUNTU-CVE-2026-40385",
    "UBUNTU-CVE-2026-40386"
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

ubuntu-cve-2026-32775

Vulnerability from osv_ubuntu

CVE-2026-32775 (GCVE-0-2026-32775)

usn-8531-1

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature