What’s Vulnerable › Vulnerabilities

CVE-2026-90682: Matthias-Wandel jhead WebP EXIF gpsinfo.c ProcessGpsInfo heap-based overflow

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-14 · updated 2026-09-15
• Weakness: CWE-119

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.

Affected products

• Matthias-Wandel jhead: 3.0, 3.1, 3.2, 3.3

References

• https://github.com/Matthias-Wandel/jhead/
• https://github.com/Matthias-Wandel/jhead/issues/99
• https://github.com/user-attachments/files/30397094/poc.zip
• https://vuldb.com/cve/CVE-2026-90682
• https://vuldb.com/submit/914948
• https://vuldb.com/vuln/403215
• https://vuldb.com/vuln/403215/cti

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