SB2021111025 - Red Hat Enterprise Linux 8 update for qt5
Published: November 10, 2021
Security Bulletin ID
SB2021111025
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2021-3481)
The vulnerability allows a remote attacker to gain access to potentially sensitive information or crash the application.
The vulnerability exists due to a boundary condition within the QRadialFetchSimd in qt/qtbase/src/gui/painting/qdrawhelper_p.h in Qt/Qtbase when rendering and displaying a crafted Scalable Vector Graphics (SVG) file. A remote attacker can create a specially crafted SVG file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system or crash the application.
Remediation
Install update from vendor's website.