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I. Basic Information for CVE-2026-5186
Vulnerability Information

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Vulnerability Title
Nothings stb Multi-frame GIF File stb_image.h stbi__load_gif_main double free
Source: NVD (National Vulnerability Database)
Vulnerability Description
A weakness has been identified in Nothings stb up to 2.30. This impacts the function stbi__load_gif_main of the file stb_image.h of the component Multi-frame GIF File Handler. This manipulation causes double free. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
双重释放
Source: NVD (National Vulnerability Database)
Vulnerability Title
stb 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
stb是Sean Barrett个人开发者的一个用于C/C++的stb单文件公共域库。 stb 2.30及之前版本存在资源管理错误漏洞,该漏洞源于对文件stb_image.h中函数stbi__load_gif_main的错误操作,可能导致双重释放。
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
VendorProductAffected VersionsCPESubscribe
Nothingsstb 2.0 -
II. Public POCs for CVE-2026-5186
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III. Intelligence Information for CVE-2026-5186
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