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.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 7
https://github.com/Matthias-Wandel/jhead/
cna@vuldb.com
https://github.com/Matthias-Wandel/jhead/issues/99
cna@vuldb.com
https://github.com/user-attachments/files/30397094/poc.zip
cna@vuldb.com
https://vuldb.com/cve/CVE-2026-90682
cna@vuldb.com
https://vuldb.com/submit/914948
cna@vuldb.com
https://vuldb.com/vuln/403215
cna@vuldb.com
https://vuldb.com/vuln/403215/cti
cna@vuldb.com