Home/CVE/In libexif through 0.6.25, an unsigned 32bit integer overflow in Nikon MakerNote handling could be used by local attacke
CVE

CVE-2026-40385

In libexif through 0.6.25, an unsigned 32bit integer overflow in Nikon MakerNote handling could be used by local attacke

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.

MEDIUM · CVSS 4 EPSS 0.00019
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound
▤

Affected Products & Versions

1
libexif project libexif<= 0.6.25
▣

Scoring & Timeline

4
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Apr 2026 · 07:16 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

4
suse-csafopenSUSE-SU-2026:10717-1
msrcCVE-2026-40385
rhsaRHSA-2026:20929Moderate
rhsaRHSA-2026:22553Moderate
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/libexif/libexif/commit/93003b93e50b3d259bd2227d8775b73a53c35d58Patch
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