CVE-2021-28026

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.51%
Third-Party Advisory gitlab.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.com/wg1/jpeg-xl/-/issues/163 issue tracking exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-28026?
CVE-2021-28026 has been scored as a high severity vulnerability.
How to fix CVE-2021-28026?
To fix CVE-2021-28026, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-28026 being actively exploited in the wild?
It is possible that CVE-2021-28026 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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