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TI-2026-61639 Aliases CVE-2026-90682GHSA-9693-5mmv-mwq9

Matthias-Wandel jhead WebP EXIF gpsinfo.c ProcessGpsInfo heap-based overflow

Priority MEDIUM 55CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00172 6th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Matthias-Wandeljhead3.0; 3.1; 3.2; 3.3—No fix listedCNA
  • jhead VendorMatthias-Wandel Affected 3.0; 3.1; 3.2; 3.3 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:matthias-wandel:jhead:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:matthias-wandel:jhead:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-90682
  2. 2026-10-03 Alias added: GHSA-9693-5mmv-mwq9

References

Exploit 1

Other 2

  • TI-2020-17405 Buffer Overflow vulnerability in jpgfile.c in Matthias-Wandel jhead version 3.04, allows… CVSS 3.1HIGH 7.8
  • TI-2024-02634 Matthias-Wandel jhead exif.c PrintFormatNumber heap-based overflow CVSS 3.1MEDIUM 6.3
  • TI-2026-61638 Matthias-Wandel jhead EXIF Parsing exif.c Get16u out-of-bounds CVSS 4.0MEDIUM 4.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences