CVE-2018-9135

ImageMagick: Heap-based buffer over-read in coders/webp.c:IsWEBPImageLossless()

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Severity

Low

Red Hat Product Security

3.3

CVSS 3.0

Review impact separately from score.

Published · March 2, 2018

Updated · November 22, 2025

Description

In ImageMagick 7.0.7-24 Q16, there is a heap-based buffer over-read in IsWEBPImageLossless in coders/webp.c.

Statement

This issue did not affect the versions of ImageMagick as shipped with Red Hat Enterprise Linux 5, 6 and 7 as they did not include the vulnerable code.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 3.3
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-122 · Heap-based Buffer Overflow