SB2021032639 - Heap-based buffer overflow in ImageMagick



SB2021032639 - Heap-based buffer overflow in ImageMagick

Published: March 26, 2021 Updated: June 23, 2023

Security Bulletin ID SB2021032639
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2020-27829)

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to an incorrect setting of the pixel array size in coders/tiff.c. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and perform a denial of service attack.


Remediation

Install update from vendor's website.