CVE-2026-90682 Matthias-Wandel jhead WebP EXIF gpsinfo.c ProcessGpsInfo heap-based overflow
A heap-based buffer overflow in jhead's WebP EXIF handler allows local attackers to execute arbitrary code or cause denial of service via crafted GPS tags.
- 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-2026-90682?
CVE-2026-90682 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 security vulnerability has been detected in Matthias-Wandel jhead up to 3.3. This impacts the function ProcessGpsInfo of the file gpsinfo.c of the component WebP EXIF Handler. Such manipulation of the argument TAG_GPS_LAT/TAG_GPS_LONG leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-90682?
How do I fix CVE-2026-90682?
No fix has been published for CVE-2026-90682 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-2026-90682 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90682 exists.
Sources
Also known as DEBIAN-CVE-2026-90682, GHSA-9693-5mmv-mwq9, UBUNTU-CVE-2026-90682.