What is CVE-2017-18235?

CVE-2017-18235 is a medium-severity vulnerability in Exempi Project, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2018-03-15.

How severe is CVE-2017-18235?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Improper input validation in Exempi Project

CVE-2017-18235

An issue was discovered in Exempi before 2.4.3. The VPXChunk class in XMPFiles/source/FormatSupport/WEBP_Support.cpp does not ensure nonzero widths and heights, which allows remote attackers to cause a denial of service (assertion failure and application exit) via a crafted .webp file.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-03-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Exempi Project

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

bugs.freedesktop.org/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
cgit.freedesktop.org/exempi/commit/ (Patch)

Frequently asked questions

What is CVE-2017-18235?: CVE-2017-18235 is a medium-severity vulnerability in Exempi Project, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2018-03-15.
How severe is CVE-2017-18235?: Medium severity. CVSS v3 base score is 5.5 out of 10.