CVE-2021-28276 Denial of service in n/a
An attacker can cause a denial of service in jhead via a wild address read in the ProcessCanonMakerNoteDir function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-28276?
CVE-2021-28276 is a high-severity denial of service vulnerability in n/a, published on 23 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Denial of Service vulnerability exists in jhead 3.04 and 3.05 via a wild address read in the ProcessCanonMakerNoteDir function in makernote.c.
Which versions are affected by CVE-2021-28276?
It affects 1 product.
Products include Jhead Project Jhead.
How do I fix CVE-2021-28276?
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-2021-28276 being exploited?
There is no known exploitation of CVE-2021-28276 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2021-28276, GHSA-hfvw-936h-fq94, UBUNTU-CVE-2021-28276.