CVE-2020-25664

State: Published
Severity: Not scored
Published: Dec 8, 2020
Updated: Aug 4, 2024
Reserved: Sep 16, 2020

Description

In WriteOnePNGImage() of the PNG coder at coders/png.c, an improper call to AcquireVirtualMemory() and memset() allows for an out-of-bounds write later when PopShortPixel() from MagickCore/quantum-private.h is called. The patch fixes the calls by adding 256 to rowbytes. An attacker who is able to supply a specially crafted image could affect availability with a low impact to data integrity. This flaw affects ImageMagick versions prior to 6.9.10-68 and 7.0.8-68.

Scores

The record has no CVSS score.

Weaknesses

CWE-122 >CWE-787

Affected Products

Product	Versions
ImageMagickn/a	prior to 7.0.8-68Affected prior to 6.9.10-68Affected

References

https://bugzilla.redhat.com/show_bug.cgi?id=1891605
FEDORA-2021-b58af96f33vendor-advisory

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