SB2021022548 - Fedora 34 update for mupdf, python-PyMuPDF, zathura-pdf-mupdf
Published: February 25, 2021
Security Bulletin ID
SB2021022548
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) Double Free (CVE-ID: CVE-2021-3407)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger double free error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.