Vulnerability CVE-2021-22563
Published: 2021-11-01

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

Type:

CWE-125

 (Out-of-bounds Read)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.6/10
4.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
Partial
Affected software
Libjxl project -> Libjxl 

 References:
https://github.com/libjxl/libjxl/issues/735
https://github.com/libjxl/libjxl/pull/757
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