CVE-2021-34055 Memory corruption in n/a
A buffer overflow in jhead allows attackers to execute arbitrary code or cause denial of service via crafted EXIF data.
- 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-2021-34055?
CVE-2021-34055 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 4 Nov 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
jhead 3.06 is vulnerable to Buffer Overflow via exif.c in function Put16u.
Weakness: CWE-120
Which versions are affected by CVE-2021-34055?
It affects 2 products.
Linux distribution packages (5)
jhead SUSE:Package Hub 15 SP3 | All versions | 3.00-bp153.3.6.1 |
jhead SUSE:Package Hub 15 SP4 | All versions | 3.06.0.1-bp154.2.6.1 |
jhead openSUSE:Leap 15.3 | All versions | 3.00-bp153.3.6.1 |
jhead openSUSE:Leap 15.4 | All versions | 3.06.0.1-bp154.2.6.1 |
jhead openSUSE:Tumbleweed | All versions | 3.06.0.1-3.1 |
Products include Debian Debian Linux, Jhead Project Jhead.
How do I fix CVE-2021-34055?
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-2021-34055 being exploited?
There is no known exploitation of CVE-2021-34055 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2021-34055, GHSA-fxjw-w469-wq6w, UBUNTU-CVE-2021-34055, openSUSE-SU-2022:10202-1, openSUSE-SU-2022:10203-1, openSUSE-SU-2024:12499-1.