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

Quick assessment

Affected
Matthias-Wandel jhead
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Matthias-Wandel 开发的 jhead 软件（版本 3.3 及更早）中发现了一个安全漏洞。该漏洞位于 WebP EXIF 处理器组件中 文件的 函数中。对参数 / 的特定操作会导致堆缓冲区溢出。该漏洞的攻击方式需要本地访问。利用方法已经公开披露，可能被用于攻击。项目维护方早前通过问题报告得知了该问题，但至今尚未作出回应。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-90682

Vulnerability Information
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Vulnerability Title
Matthias-Wandel jhead WebP EXIF gpsinfo.c ProcessGpsInfo heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Matthias-Wandel jhead 3.0 cpe:2.3:a:matthias-wandel:jhead:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90682

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III. Intelligence Information for CVE-2026-90682

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Other References for CVE-2026-90682 (2)

Other References for CVE-2026-90682 (1)

IV. Related Vulnerabilities

Same product: jhead
Same vendor: Matthias-Wandel
Same weakness: CWE-122

V. Comments for CVE-2026-90682

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