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Vulnerability · Published Sep 14, 2026 · Assigned by VulDB

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

Medium 5.3

In plain English

A medium-severity heap buffer overflow in jhead from Matthias-Wandel. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.2%top 93.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12jheadno fix listedDEBIAN-CVE-2026-90682
Debian:13jheadno fix listedDEBIAN-CVE-2026-90682
Debian:14jheadno fix listedDEBIAN-CVE-2026-90682
Ubuntu:24.04:LTSjheadno fix listedUBUNTU-CVE-2026-90682
Ubuntu:26.04:LTSjheadno fix listedUBUNTU-CVE-2026-90682
Ubuntu:26.10jheadno fix listedUBUNTU-CVE-2026-90682

Affected products (as reported)

VendorProductVersions
Matthias-Wandel jhead 3.03.13.23.3

Weakness: CWE-122, CWE-119 · Vector: 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

References