CVE-2020-28840 Memory corruption in n/a
Local attackers can execute arbitrary code or cause denial of service via a buffer overflow in jhead.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-28840?
CVE-2020-28840 is a high-severity memory corruption vulnerability in n/a, published on 11 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Buffer Overflow vulnerability in jpgfile.c in Matthias-Wandel jhead version 3.04, allows local attackers to execute arbitrary code and cause a denial of service (DoS).
Weakness: CWE-120
Which versions are affected by CVE-2020-28840?
It affects 1 product.
Products include Matthiaswandel Jhead.
How do I fix CVE-2020-28840?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-28840 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-28840 exists.
Sources
Also known as DEBIAN-CVE-2020-28840, GHSA-h46m-86hc-7cwf, GHSA-xh27-xwgj-gqw2, UBUNTU-CVE-2020-28840.