CVE-2021-22563 MEDIUM

CVE-2021-22563: Memory Overread in libjxl

Vendor Google Llc
Product libjxl
Weakness CWE-126
Published November 1, 2021
Last update September 17, 2024
View on NVD All CVEs

CVSS base score

4.5/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

November 1, 2021 CVE published
September 17, 2024 Record updated