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CVE-2021-20312

Status Candidate

Overview

A flaw was found in ImageMagick in versions 7.0.11, where an integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.

Related Files

Ubuntu Security Notice USN-5158-1
Posted Nov 30, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5158-1 - It was discovered that ImageMagick incorrectly handled certain values when processing visual effects based image files. By tricking a user into opening a specially crafted image file, an attacker could crash the application causing a denial of service. It was discovered that ImageMagick incorrectly handled certain values when performing resampling operations. By tricking a user into opening a specially crafted image file, an attacker could crash the application causing a denial of service. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2021-20244, CVE-2021-20246, CVE-2021-20309, CVE-2021-20312, CVE-2021-20313
SHA-256 | 7dd05b4d88d156afa943ee55680e72f46fa13f248270bcdc4a538a3af674881f
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