Vulnerability-Lookup

OPENSUSE-SU-2026:21023-1

Vulnerability from csaf_opensuse - Published: 2026-06-22 14:30 - Updated: 2026-09-17 17:35

Summary

Security update for libexif

Severity

Moderate

Notes

Title of the patch: Security update for libexif

Description of the patch: This update for libexif fixes the following issues - CVE-2026-32775: Buffer overwrite via integer underflow in MakerNotes decoding (bsc#1259755). - CVE-2026-40385: information disclosure and crashes via integer overflow in Nikon MakerNote handling (bsc#1262000). - CVE-2026-40386: denial of service and information disclosure via integer underflow in MakerNote decoding (bsc#1262001).

Patchnames: openSUSE-Leap-16.0-1035

CVE-2026-32775

5.3 (Medium)


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

Affected products

Recommended 8 products

Product	Version	Remediation
Unresolved product id: openSUSE Leap 16.0:libexif-devel-0:0.6.26-160000.1.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libexif-devel-0:0.6.26-160000.1.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libexif-devel-0:0.6.26-160000.1.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libexif-devel-0:0.6.26-160000.1.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libexif12-0:0.6.26-160000.1.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libexif12-0:0.6.26-160000.1.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libexif12-0:0.6.26-160000.1.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libexif12-0:0.6.26-160000.1.1.x86_64	—	Vendor Fix

Threats

Impact moderate

CVE-2026-40385

4.4 (Medium)


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

Affected products

Recommended 8 products, the same list as for CVE-2026-32775

Threats

Impact moderate

CVE-2026-40386

4.4 (Medium)


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

Affected products

Recommended 8 products, the same list as for CVE-2026-32775

Threats

Impact moderate

References

14 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://bugzilla.suse.com/1259755	self
https://bugzilla.suse.com/1262000	self
https://bugzilla.suse.com/1262001	self
https://www.suse.com/security/cve/CVE-2026-32775/	self
https://www.suse.com/security/cve/CVE-2026-40385/	self
https://www.suse.com/security/cve/CVE-2026-40386/	self
https://www.suse.com/security/cve/CVE-2026-32775	external
https://bugzilla.suse.com/1259755	external
https://www.suse.com/security/cve/CVE-2026-40385	external
https://bugzilla.suse.com/1262000	external
https://www.suse.com/security/cve/CVE-2026-40386	external
https://bugzilla.suse.com/1262001	external

JSON

To clipboard

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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 · CISA-ADP (v2.0.3)

Decision recorded 2026-03-16 13:45 UTC

CWE

CWE-191 - Integer Underflow (Wrap or Wraparound)

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2175 records in the last 180 days details

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) cpe:2.3:a:libexif_project:libexif::::::::

Show details on NVD website

JSON

To clipboard

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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 CNA under the mitre root

CNA scorecard E 29/100 over 2175 records in the last 180 days details

References

1 reference

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

Impacted products

1 product

Vendor	Product	Version
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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 CNA under the mitre root

CNA scorecard E 29/100 over 2175 records in the last 180 days details

References

1 reference

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

Impacted products

1 product

Vendor	Product	Version
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Show details on NVD website

JSON

To clipboard

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      "x_generator": {
        "engine": "CVE-Request-form 0.0.1"
      }
    }
  },
  "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",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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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

OPENSUSE-SU-2026:21023-1

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

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

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

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour