CVE-2021-28275 Denial of service in n/a

Medium 5.5 Published 23 Mar 2022 Updated 3 Aug 2024

Attackers can cause a segmentation fault and denial of service in jhead by providing a crafted file that triggers a wild address read.

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: Available

What is CVE-2021-28275?

CVE-2021-28275 is a medium-severity denial of service vulnerability in n/a, published on 23 Mar 2022. 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

A Denial of Service vulnerability exists in jhead 3.04 and 3.05 due to a wild address read in the Get16u function in exif.c in will cause segmentation fault via a crafted_file.

Weakness: CWE-704

Which versions are affected by CVE-2021-28275?

It affects 1 product.

Products include Jhead Project Jhead.

How do I fix CVE-2021-28275?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-28275 being exploited?

There is no known exploitation of CVE-2021-28275 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2021-28275, GHSA-67w2-vvm4-fjr9, UBUNTU-CVE-2021-28275.