SB2019112806 - NULL pointer dereference in GNOME font viewer
Published: November 28, 2019 Updated: September 21, 2021
Security Bulletin ID
SB2019112806
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2019-19308)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in text_to_glyphs in sushi-font-widget.c in Gnome font viewer while parsing a TTF font file that lacks a name section. A remote attacker can pass a specially crafted TTF file to the affected application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.