CVE-2021-22563

PoC —

CVSS 3.1

4.4 medium

EPSS

<1%p24

Published

Nov 1, 2021 (Nov 1, 2021)

Modified

Jun 17, 2026

Description

Invalid JPEG XL images using libjxl can cause an out of bounds access on a std::vector > 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

Vendors: libjxl project
Products: libjxl
Weakness: CWE-126, CWE-125
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

NVD CVE.org GitHub PoCs EPSS (0.3%)

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