CVE-2026-40385 | BDVDB-2026-326504 Detail

libexif projectlibexif

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact low. Attack vector: local.

Weaknesses#

CWE-190 Integer Overflow or Wraparound

References#

https://github.com/libexif/libexif/commit/93003b93e50b3d259bd2227d8775b73a53c35d58

Exploit#

No public exploit known

History#

Version 12026-04-12Record published in the CVE List.
Version 22026-04-14Most recent update recorded in the CVE List.

Published

Published: 2026-04-12
Last modified: 2026-04-14

Vendor information

Vendor: libexif project
Product: libexif

All libexif project vulnerabilities

Score

4.0 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 0.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 0.6.25
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.0 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	None
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).