CVE-2026-90682
Matthias-Wandel jhead WebP EXIF gpsinfo.c ProcessGpsInfo heap-based overflow
- State
- Published
- Severity
- 4.8 Medium
- Published
- Sep 14, 2026
- Updated
- Sep 15, 2026
- Reserved
- Sep 13, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.3 Medium | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
jheadMatthias-Wandel |
|
References
- VDB-403215 | Matthias-Wandel jhead WebP EXIF gpsinfo.c ProcessGpsInfo heap-based overflowvdb-entrytechnical-description
- VDB-403215 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-90682 | CVE Analysis and Reportthird-party-advisory
- Submit #914948 | Matthias-Wandel jhead v3.3 (commit 5007491, 3.08-66-g5007491) heap-buffer-overflow (Get32u)third-party-advisory
- https://github.com/Matthias-Wandel/jhead/issues/99issue-tracking
- https://github.com/user-attachments/files/30397094/poc.zipexploit
- https://github.com/Matthias-Wandel/jhead/product
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