CVE-2021-28026 Memory corruption in n/a
A heap buffer overflow in the JPEG XL library allows attackers to execute arbitrary code or cause denial of service via malicious files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-28026?
CVE-2021-28026 is a high-severity memory corruption vulnerability in n/a, published on 5 Mar 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2021-28026?
It affects 1 product.
Products include Jpeg Jpeg-Xl.
How do I fix CVE-2021-28026?
No fix has been published for CVE-2021-28026 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-28026 being exploited?
There is no known exploitation of CVE-2021-28026 in the wild and no public exploit code.
Sources
Also known as GHSA-79f7-6jwc-94qw.