Vulnerability-Lookup

OESA-2026-1987 (CVE-2026-40385)

Vulnerability from osv_openeuler – Published: 2026-04-17 11:10 – Updated: 2026-08-06 11:10 – Source website

Summary

libexif security update

Details

Most digital cameras produce EXIF files, which are JPEG files with extra tags that contain information about the image. The EXIF library allows you to parse an EXIF file and read the data from those tags.

Security Fix(es):

In libexif through 0.6.25, an unsigned 32bit integer overflow in Nikon MakerNote handling could be used by local attackers to cause crashes or information leaks. This only affects 32bit systems.(CVE-2026-40385)

In libexif through 0.6.25, an integer underflow in size checking for Fuji and Olympus MakerNote decoding could be used by attackers to crash or leak information out of libexif-using programs.(CVE-2026-40386)

Severity

4.0 (Medium)


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

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2026-40385	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2026-40386	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "libexif-0.6.21-28.oe2003sp4.aarch64.rpm",
          "libexif-debuginfo-0.6.21-28.oe2003sp4.aarch64.rpm",
          "libexif-debugsource-0.6.21-28.oe2003sp4.aarch64.rpm",
          "libexif-devel-0.6.21-28.oe2003sp4.aarch64.rpm"
        ],
        "noarch": [
          "libexif-help-0.6.21-28.oe2003sp4.noarch.rpm"
        ],
        "src": [
          "libexif-0.6.21-28.oe2003sp4.src.rpm"
        ],
        "x86_64": [
          "libexif-0.6.21-28.oe2003sp4.x86_64.rpm",
          "libexif-debuginfo-0.6.21-28.oe2003sp4.x86_64.rpm",
          "libexif-debugsource-0.6.21-28.oe2003sp4.x86_64.rpm",
          "libexif-devel-0.6.21-28.oe2003sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP4",
        "name": "libexif",
        "purl": "pkg:rpm/openEuler/libexif\u0026distro=openEuler-20.03-LTS-SP4"
      },
      "ranges": [
        {
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            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.21-28.oe2003sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "libexif-0.6.22-7.oe2203sp4.aarch64.rpm",
          "libexif-debuginfo-0.6.22-7.oe2203sp4.aarch64.rpm",
          "libexif-debugsource-0.6.22-7.oe2203sp4.aarch64.rpm",
          "libexif-devel-0.6.22-7.oe2203sp4.aarch64.rpm"
        ],
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        ],
        "src": [
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        ],
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          "libexif-debuginfo-0.6.22-7.oe2203sp4.x86_64.rpm",
          "libexif-debugsource-0.6.22-7.oe2203sp4.x86_64.rpm",
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      },
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        "ecosystem": "openEuler:22.03-LTS-SP4",
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      },
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      ]
    },
    {
      "ecosystem_specific": {
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          "libexif-debuginfo-0.6.24-3.oe2403.aarch64.rpm",
          "libexif-debugsource-0.6.24-3.oe2403.aarch64.rpm",
          "libexif-devel-0.6.24-3.oe2403.aarch64.rpm",
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          "libexif-debuginfo-0.6.24-3.oe2403sp1.aarch64.rpm",
          "libexif-debugsource-0.6.24-3.oe2403sp1.aarch64.rpm",
          "libexif-devel-0.6.24-3.oe2403sp1.aarch64.rpm",
          "libexif-0.6.24-3.oe2403sp2.aarch64.rpm",
          "libexif-debuginfo-0.6.24-3.oe2403sp2.aarch64.rpm",
          "libexif-debugsource-0.6.24-3.oe2403sp2.aarch64.rpm",
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          "libexif-0.6.24-3.oe2403sp3.aarch64.rpm",
          "libexif-debuginfo-0.6.24-3.oe2403sp3.aarch64.rpm",
          "libexif-debugsource-0.6.24-3.oe2403sp3.aarch64.rpm",
          "libexif-devel-0.6.24-3.oe2403sp3.aarch64.rpm"
        ],
        "noarch": [
          "libexif-help-0.6.24-3.oe2403.noarch.rpm",
          "libexif-help-0.6.24-3.oe2403sp1.noarch.rpm",
          "libexif-help-0.6.24-3.oe2403sp2.noarch.rpm",
          "libexif-help-0.6.24-3.oe2403sp3.noarch.rpm"
        ],
        "src": [
          "libexif-0.6.24-3.oe2403.src.rpm",
          "libexif-0.6.24-3.oe2403sp1.src.rpm",
          "libexif-0.6.24-3.oe2403sp2.src.rpm",
          "libexif-0.6.24-3.oe2403sp3.src.rpm"
        ],
        "x86_64": [
          "libexif-0.6.24-3.oe2403.x86_64.rpm",
          "libexif-debuginfo-0.6.24-3.oe2403.x86_64.rpm",
          "libexif-debugsource-0.6.24-3.oe2403.x86_64.rpm",
          "libexif-devel-0.6.24-3.oe2403.x86_64.rpm",
          "libexif-0.6.24-3.oe2403sp1.x86_64.rpm",
          "libexif-debuginfo-0.6.24-3.oe2403sp1.x86_64.rpm",
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          "libexif-0.6.24-3.oe2403sp2.x86_64.rpm",
          "libexif-debuginfo-0.6.24-3.oe2403sp2.x86_64.rpm",
          "libexif-debugsource-0.6.24-3.oe2403sp2.x86_64.rpm",
          "libexif-devel-0.6.24-3.oe2403sp2.x86_64.rpm",
          "libexif-0.6.24-3.oe2403sp3.x86_64.rpm",
          "libexif-debuginfo-0.6.24-3.oe2403sp3.x86_64.rpm",
          "libexif-debugsource-0.6.24-3.oe2403sp3.x86_64.rpm",
          "libexif-devel-0.6.24-3.oe2403sp3.x86_64.rpm"
        ]
      },
      "package": {
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        "name": "libexif",
        "purl": "pkg:rpm/openEuler/libexif\u0026distro=openEuler-24.03-LTS"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.24-3.oe2403sp3"
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    },
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          "libexif-debuginfo-0.6.24-3.oe2403sp1.aarch64.rpm",
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          "libexif-devel-0.6.24-3.oe2403sp1.aarch64.rpm"
        ],
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        ],
        "src": [
          "libexif-0.6.24-3.oe2403sp1.src.rpm"
        ],
        "x86_64": [
          "libexif-0.6.24-3.oe2403sp1.x86_64.rpm",
          "libexif-debuginfo-0.6.24-3.oe2403sp1.x86_64.rpm",
          "libexif-debugsource-0.6.24-3.oe2403sp1.x86_64.rpm",
          "libexif-devel-0.6.24-3.oe2403sp1.x86_64.rpm"
        ]
      },
      "package": {
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      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
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          "libexif-debuginfo-0.6.24-3.oe2403sp2.aarch64.rpm",
          "libexif-debugsource-0.6.24-3.oe2403sp2.aarch64.rpm",
          "libexif-devel-0.6.24-3.oe2403sp2.aarch64.rpm"
        ],
        "noarch": [
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        ],
        "src": [
          "libexif-0.6.24-3.oe2403sp2.src.rpm"
        ],
        "x86_64": [
          "libexif-0.6.24-3.oe2403sp2.x86_64.rpm",
          "libexif-debuginfo-0.6.24-3.oe2403sp2.x86_64.rpm",
          "libexif-debugsource-0.6.24-3.oe2403sp2.x86_64.rpm",
          "libexif-devel-0.6.24-3.oe2403sp2.x86_64.rpm"
        ]
      },
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        "name": "libexif",
        "purl": "pkg:rpm/openEuler/libexif\u0026distro=openEuler-24.03-LTS-SP2"
      },
      "ranges": [
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        }
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      },
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  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "Most digital cameras produce EXIF files, which are JPEG files with extra tags that contain information about the image. The EXIF library allows you to parse an EXIF file and read the data from those tags.\r\n\r\nSecurity Fix(es):\n\nIn libexif through 0.6.25, an unsigned 32bit integer overflow in Nikon MakerNote handling could be used by local attackers to cause crashes or information leaks. This only affects 32bit systems.(CVE-2026-40385)\n\nIn libexif through 0.6.25, an integer underflow in size checking for Fuji and Olympus MakerNote decoding could be used by attackers to crash or leak information out of libexif-using programs.(CVE-2026-40386)",
  "id": "OESA-2026-1987",
  "modified": "2026-08-06T11:10:59Z",
  "published": "2026-04-17T11:10:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1987"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40385"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40386"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "libexif security update",
  "upstream": [
    "CVE-2026-40385",
    "CVE-2026-40386"
  ]
}

CVE-2026-40385 (GCVE-0-2026-40385)

Vulnerability from cvelistv5 – Published: 2026-04-12 18:16 – Updated: 2026-04-14 16:33

Summary

In libexif through 0.6.25, an unsigned 32bit integer overflow in Nikon MakerNote handling could be used by local attackers to cause crashes or information leaks. This only affects 32bit systems.

Severity

4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-14 15:18 UTC

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/libexif/libexif/commit/93003b9…

Impacted products

1 product

Vendor	Product	Version
libexif project	libexif	Affected: 0 , ≤ 0.6.25 (semver) cpe:2.3:a:libexif_project:libexif::::::::

Show details on NVD website

JSON

To clipboard

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CVE-2026-40386 (GCVE-0-2026-40386)

Vulnerability from cvelistv5 – Published: 2026-04-12 18:19 – Updated: 2026-04-14 16:33

Summary

In libexif through 0.6.25, an integer underflow in size checking for Fuji and Olympus MakerNote decoding could be used by attackers to crash or leak information out of libexif-using programs.

Severity

4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-14 15:18 UTC

CWE

CWE-191 - Integer Underflow (Wrap or Wraparound)

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/libexif/libexif/commit/dc6eac6…

Impacted products

1 product

Vendor	Product	Version
libexif project	libexif	Affected: 0 , ≤ 0.6.25 (semver) cpe:2.3:a:libexif_project:libexif::::::::

Show details on NVD website

JSON

To clipboard

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          "descriptions": [
            {
              "cweId": "CWE-191",
              "description": "CWE-191 Integer Underflow (Wrap or Wraparound)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-12T18:55:21.234Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
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      "references": [
        {
          "url": "https://github.com/libexif/libexif/commit/dc6eac6e9655d14d0779d99e82d0f5f442d2f34b"
        }
      ],
      "x_generator": {
        "engine": "CVE-Request-form 0.0.1"
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-40386",
    "datePublished": "2026-04-12T18:19:08.684Z",
    "dateReserved": "2026-04-12T18:19:08.139Z",
    "dateUpdated": "2026-04-14T16:33:07.044Z",
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}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

OESA-2026-1987 (CVE-2026-40385)

CVE-2026-40385 (GCVE-0-2026-40385)

CVE-2026-40386 (GCVE-0-2026-40386)

Tags

Sightings

Nomenclature

Related by attack behaviour