CVE-2021-22563mediumCWE-126

CVE-2021-22563: medium-severity vulnerability in Google LLC libjxl

Memory Overread in libjxl

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.5epss 0.3%
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
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Affected products
Google LLC · libjxl
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CVE-2021-22564MEDIUMOut of bounds Copy in Libjxl in large image groupsEPSS 0.3%