Buffer overflow in Matthias-Wandel Jhead
CVE-2026-90682
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (6.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Matthias-Wandel Jhead — versions 3.0, 3.1, 3.2
Weakness classification (CWE)
References
- vuldb.com/vuln/403215 (technical-description, vdb-entry)
- vuldb.com/vuln/403215/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-90682 (third-party-advisory)
- vuldb.com/submit/914948 (third-party-advisory)
- github.com/Matthias-Wandel/jhead/issues/99 (issue-tracking)
- github.com/user-attachments/files/30397094/poc.zip (exploit)
- github.com/Matthias-Wandel/jhead/ (product)
Frequently asked questions
- What is CVE-2026-90682?
- CVE-2026-90682 is a medium-severity vulnerability in Matthias-Wandel Jhead, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2026-09-14.
- How severe is CVE-2026-90682?
- Medium severity. CVSS v3 base score is 5.3 out of 10.