SB2021112623 - Fedora 34 update for ImageMagick, R-magick, WindowMaker, autotrace, chafa, converseen, digikam, dmtx-utils, dvdauthor, eom, kxstitch, pfstools, php-pecl-imagick, psiconv, q, rss-glx, rubygem-rmagick, synfig, synfigstudio, vdr-scraper2vdr, vdr-skinelchihd,
Published: November 26, 2021
Security Bulletin ID
SB2021112623
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2020-25664)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input within the WriteOnePNGImage() function of the PNG coder at coders/png.c. A remote attacker can create a specially crafted PNG file, pass it to the affected application, trigger an out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.