CVE-2026-40385
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I. Basic Information for CVE-2026-40385
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出或超界折返
Source: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-190
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Pillow: Integer overflow when processing fonts - CVE-2026-6664
PgBouncer integer overflow in PgBouncer network packet parsi - CVE-2026-42199
Grid: Integer Overflow in Grid::expand_rows Leads to Safe-AP
V. Comments for CVE-2026-40385
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