CVE-2021-22563

medium

Published — · Modified —

CVSS v3

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CVSS v2

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VIR risk

5.5

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

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-22563

OS impact

OS	Version	Status	Fixed in
arch		fixed	`0.6.1-1`
debian	bookworm	fixed	`0`
debian	forky	fixed	`0`
debian	sid	fixed	`0`
debian	trixie	fixed	`0`

References

https://security-tracker.debian.org/tracker/CVE-2021-22563

Verify integrity in audit chain (admin only). AS-IS.