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CVE Vulnerability Details :
CVE-2026-40386
PUBLISHED
More InfoOfficial Page
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
View Known Exploited Vulnerability (KEV) details
Published At-12 Apr, 2026 | 18:19
Updated At-14 Apr, 2026 | 16:33
Rejected At-
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
libexif project
Product
libexif
Default Status
unknown
Versions
Affected
  • From 0 through 0.6.25 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-191CWE-191 Integer Underflow (Wrap or Wraparound)
Type: CWE
CWE ID: CWE-191
Description: CWE-191 Integer Underflow (Wrap or Wraparound)
Metrics
VersionBase scoreBase severityVector
3.14.0MEDIUM
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Version: 3.1
Base score: 4.0
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/libexif/libexif/commit/dc6eac6e9655d14d0779d99e82d0f5f442d2f34b
N/A
Hyperlink: https://github.com/libexif/libexif/commit/dc6eac6e9655d14d0779d99e82d0f5f442d2f34b
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found