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CVE-2021-20309

Status Candidate

Overview

A flaw was found in ImageMagick in versions before 7.0.11 and before 6.9.12, where a division by zero in WaveImage() of MagickCore/visual-effects.c may trigger undefined behavior via a crafted image file submitted to an application using ImageMagick. The highest threat from this vulnerability is to system availability.

Related Files

Ubuntu Security Notice USN-5736-1
Posted Nov 24, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5736-1 - It was discovered that ImageMagick incorrectly handled certain values when processing PDF files. If a user or automated system using ImageMagick were tricked into opening a specially crafted PDF file, an attacker could exploit this to cause a denial of service. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. Zhang Xiaohui discovered that ImageMagick incorrectly handled certain values when processing image data. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 22.10.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2021-20224, CVE-2021-20241, CVE-2021-20243, CVE-2021-20244, CVE-2021-20245, CVE-2021-20246, CVE-2021-20309, CVE-2021-20312, CVE-2021-20313, CVE-2021-3574, CVE-2021-39212, CVE-2021-4219, CVE-2022-1114, CVE-2022-28463
SHA-256 | 28bcc3309e2412154b73e7a7b025bf5c7fb44a94c51dcae90eb2f22c2656e75f
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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