SB2023082124 - Multiple vulnerabilities in Freedesktop Poppler
Published: August 21, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) NULL pointer dereference (CVE-ID: CVE-2020-36024)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the FoFiType1C::convertToType1() function. A remote attacker can pass specially crafted PDF file to the application and perform a denial of service (DoS) attack.
2) Infinite loop (CVE-ID: CVE-2020-36023)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the FoFiType1C::cvtGlyph() function. A remote attacker can pass a specially crafted PDF file to the server, consume all available system resources and cause denial of service conditions.
Remediation
Install update from vendor's website.