CVE-2026-40386
HIGH
7.1
CVSS Score
Published: April 12, 2026 at 06:19 PM UTC
Updated: June 17, 2026 at 10:45 AM UTC
1 product affected across 1 vendorLibexif
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Severity
HIGH7.1
Exploit prediction
EPSS 0.1%
SSVC
No known exploit
Description
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 0.6.25
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Patch
Source: cverecord
https://github.com/libexif/libexif/commit/dc6eac6e9655d14d0779d99e82d0f5f442d2f34bSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-191
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