CVE-2026-90681 Matthias-Wandel jhead EXIF Parsing exif.c Get16u out-of-bounds
A local attacker can trigger an out-of-bounds read in jhead's EXIF parser, potentially causing a crash or leaking memory contents.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-90681?
CVE-2026-90681 is a medium-severity memory corruption vulnerability in Matthias-Wandel jhead, published on 14 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A weakness has been identified in Matthias-Wandel jhead up to 3.3. This affects the function Get16u of the file exif.c of the component EXIF Parsing. This manipulation causes out-of-bounds read. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-90681?
How do I fix CVE-2026-90681?
No fix has been published for CVE-2026-90681 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-2026-90681 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90681 exists.
Sources
Also known as DEBIAN-CVE-2026-90681, GHSA-wq73-q6g3-jfvc, UBUNTU-CVE-2026-90681.