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CVE-2026-40385

Quick assessment

Affected
libexif project libexif
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Libexif是Libexif组织的一个使用C语言编写的函数库。该产品主要用于从图形文件中读写EXIF元信息。 Libexif 0.6.25及之前版本存在输入验证错误漏洞，该漏洞源于Nikon MakerNote处理中存在无符号32位整数溢出，可能导致本地攻击者引发崩溃或信息泄露。

CVSS 4.0 · Medium EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1200 · Hardware Additions
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I. Basic Information for CVE-2026-40385

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Libexif 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Libexif是Libexif组织的一个使用C语言编写的函数库。该产品主要用于从图形文件中读写EXIF元信息。 Libexif 0.6.25及之前版本存在输入验证错误漏洞，该漏洞源于Nikon MakerNote处理中存在无符号32位整数溢出，可能导致本地攻击者引发崩溃或信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
libexif project libexif 0 ~ 0.6.25 -

II. Public POCs for CVE-2026-40385

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III. Intelligence Information for CVE-2026-40385

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IV. Related Vulnerabilities

Same product: libexif
Same vendor: libexif project
Same weakness: CWE-190

V. Comments for CVE-2026-40385

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