CVE-2026-40386
low-risk
Published 2026-04-12
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.
Do I need to act?
-
0.01% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.0/10
Medium
LOCAL
/ HIGH complexity
15
/ 100
low-risk
Severity
10/34 · Low
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal