CVE-2021-28835 Memory corruption in n/a

High 7.8 Published Updated

Local attackers can execute arbitrary code by tricking users into opening a crafted GEM bitmap file in XnView.

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-2021-28835?

CVE-2021-28835 is a high-severity memory corruption vulnerability in Xnview Xnview, published on 11 Aug 2023. 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

Buffer Overflow vulnerability in XNView before 2.50, allows local attackers to execute arbitrary code via crafted GEM bitmap file.

Weakness: CWE-120

Which versions are affected by CVE-2021-28835?

It affects 1 product.

Products include Xnview Xnview.

How do I fix CVE-2021-28835?

No fix has been published for CVE-2021-28835 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-2021-28835 being exploited?

There is no known exploitation of CVE-2021-28835 in the wild and no public exploit code.

All Xnview Xnview vulnerabilities

Sources

Also known as GHSA-m84c-gfw5-ggfh.

Is CVE-2021-28835 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free