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I. Basic Information for CVE-2021-22563
Vulnerability Information

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Vulnerability Title
Memory Overread in libjxl
Source: NVD (National Vulnerability Database)
Vulnerability Description
Invalid JPEG XL images using libjxl can cause an out of bounds access on a std::vector<std::vector<T>> when rendering splines. The OOB read access can either lead to a segfault, or rendering splines based on other process memory. It is recommended to upgrade past 0.6.0 or patch with https://github.com/libjxl/libjxl/pull/757
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
缓冲区上溢读取
Source: NVD (National Vulnerability Database)
Vulnerability Title
Github libjxl 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Github libjxl是一个PEG XL(编码器和解码器)的参考实现。 libjxl 存在缓冲区错误漏洞,该漏洞源于当渲染样条时,使用libjxl的无效JPEG XL图像可能会导致对std::vector<std::vector<T>>的越界访问。OOB读访问可能导致段错误,或者基于其他进程内存渲染样条。
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
Google LLClibjxl unspecified ~ 0.6.0 -
II. Public POCs for CVE-2021-22563
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III. Intelligence Information for CVE-2021-22563
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IV. Related Vulnerabilities
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