CVE-2021-28026

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

jpeg-xl v0.3.2 is affected by a heap buffer overflow in /lib/jxl/coeff_order.cc ReadPermutation. When decoding a malicous jxl file using djxl, an attacker can trigger arbitrary code execution or a denial of service.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Mar 5, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-28026: High severity, CVSS 7.8 | Vulnix