A security vulnerability has been detected in Matthias-Wandel jhead up to 3.3. (CVE-2026-90682)
Description
A heap-based buffer overflow vulnerability exists in the ProcessGpsInfo function of the gpsinfo.c file in Matthias-Wandel jhead up to version 3.3. The flaw is triggered by manipulation of the TAG_GPS_LAT or TAG_GPS_LONG arguments. Exploitation requires local access. The vulnerability has been publicly disclosed, but no official response or patch has been provided by the project yet. The CVSS score is 5.3, indicating medium severity.
CVSS v3.1
Score 5.3medium
Affected software
pkg:deb/ubuntu/jhead?arch=source&distro=esm-infra-legacy/trustypkg:deb/ubuntu/jhead?arch=source&distro=esm-apps/xenialpkg:deb/ubuntu/jhead?arch=source&distro=esm-apps/bionicpkg:deb/ubuntu/jhead?arch=source&distro=esm-apps/focalpkg:deb/ubuntu/jhead?arch=source&distro=esm-apps/jammypkg:deb/ubuntu/jhead?arch=source&distro=noblepkg:deb/ubuntu/jhead?arch=source&distro=stonkingpkg:deb/ubuntu/jhead?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in Matthias-Wandel jhead (up to version 3.3) affects the ProcessGpsInfo function within gpsinfo.c, specifically in the WebP EXIF Handler component. Manipulating the TAG_GPS_LAT or TAG_GPS_LONG arguments can cause a heap-based buffer overflow. This vulnerability requires local access to exploit and has been publicly disclosed. The project was notified early via an issue report but has not issued a fix or response. The CVSS 3.1 base score is 5.3, with attack vector local, low attack complexity, low privileges required, no user interaction, and impacts on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can lead to a heap-based buffer overflow, potentially allowing an attacker with local access to cause memory corruption. This may result in partial loss of confidentiality, integrity, and availability of the affected system. However, the attack requires local privileges and does not involve user interaction.
Mitigation Recommendations
No official fix or patch has been released by the vendor as of the latest information. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch is available, restrict local access to trusted users only and monitor for any suspicious local activity related to jhead usage.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-90682
- Osv Schema Version
- 1.7.0
- Ecosystems
- ["Ubuntu:Pro:14.04:LTS","Ubuntu:Pro:16.04:LTS","Ubuntu:Pro:18.04:LTS","Ubuntu:Pro:20.04:LTS","Ubuntu:Pro:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.10","Ubuntu:26.04:LTS"]
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad3f5372cdf04f6566585fb
Added to database: 10/17/2026, 22:22:47 UTC
Last enriched: 10/17/2026, 23:15:24 UTC
Last updated: 10/17/2026, 23:15:24 UTC
Views: 3
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