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I. Basic Information for CVE-2026-21486
Vulnerability Information

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Vulnerability Title
Use After Free and Heap-based Buffer Overflow and Integer Overflow or Wraparound and Out-of-bounds Write in iccDEV
Source: NVD (National Vulnerability Database)
Vulnerability Description
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below contain Use After Free, Heap-based Buffer Overflow and Integer Overflow or Wraparound and Out-of-bounds Write vulnerabilities in its CIccSparseMatrix::CIccSparseMatrix function. This issue is fixed in version 2.3.1.2.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
iccDEV 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
iccDEV是International Color Consortium (ICC)开源的一个颜色配置代码库。 iccDEV 2.3.1.1及之前版本存在缓冲区错误漏洞,该漏洞源于CIccSparseMatrix::CIccSparseMatrix函数存在释放后重用、基于堆的缓冲区溢出以及整数溢出或环绕错误和越界写入。
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
InternationalColorConsortiumiccDEV < 2.3.1.2 -
II. Public POCs for CVE-2026-21486
#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.5-35B-A3B-UD-Q4_K_XL.gguf · 8519 chars
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III. Intelligence Information for CVE-2026-21486
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IV. Related Vulnerabilities
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