Buffer overflow in Matthias-Wandel Jhead
CVE-2026-90681
A weakness has been identified in Matthias-Wandel jhead up to 3.3. This affects the function Get16u of the file exif.c of the component EXIF Parsing. This manipulation causes out-of-bounds read. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (5.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Matthias-Wandel Jhead — versions 3.0, 3.1, 3.2
Weakness classification (CWE)
References
- vuldb.com/vuln/403214 (technical-description, vdb-entry)
- vuldb.com/vuln/403214/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-90681 (third-party-advisory)
- vuldb.com/submit/914946 (third-party-advisory)
- github.com/Matthias-Wandel/jhead/issues/98 (issue-tracking)
- github.com/user-attachments/files/30397052/poc.zip (exploit)
- github.com/Matthias-Wandel/jhead/ (product)
Frequently asked questions
- What is CVE-2026-90681?
- CVE-2026-90681 is a low-severity vulnerability in Matthias-Wandel Jhead, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2026-09-14.
- How severe is CVE-2026-90681?
- Low severity. CVSS v3 base score is 3.3 out of 10.