CVE-2021-36691

7.5 highEPSS 1.1%

High (7.5) in libjxl project libjxl. EPSS 1.1% chance of exploitation in the next 30 days.

libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). When encoding a malicous GIF file using cjxl, an attacker can trigger a denial of service.

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE: CWE-617
Published: 2021-08-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

libjxl_project:libjxl

References

https://github.com/libjxl/libjxl/issues/422
https://github.com/libjxl/libjxl/issues/422

Check your stack JSON