CVE-2017-18235

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-03-15 · updated 2026-06-17
Weakness: CWE-20

Description

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.

Affected products

Exempi Project Exempi: before 2.4.3 — fixed in 2.4.3

How to fix

Upgrade to a fixed version: Exempi Project Exempi 2.4.3. Check the vendor advisory for mitigations.

References

https://bugs.freedesktop.org/show_bug.cgi?id=101913
https://cgit.freedesktop.org/exempi/commit/?id=9e76a7782a54a242f18d609e7ba32bf1c430a5e4
https://bugs.freedesktop.org/show_bug.cgi?id=101913
https://cgit.freedesktop.org/exempi/commit/?id=9e76a7782a54a242f18d609e7ba32bf1c430a5e4

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