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HIGH · 7.8

CVE-2021-28026

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 den...

Vulnerability 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.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
JpegJpeg-Xl0.3.2

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2021-28026?

CVE-2021-28026 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 den...

How severe is CVE-2021-28026?

CVE-2021-28026 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-28026?

Check the references section above for vendor advisories and patch information. Affected products include: Jpeg Jpeg-Xl.