SB2019040113 - Fedora 28 update for poppler
Published: April 1, 2019 Updated: April 24, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2018-20662)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a wrong return value from PDFDoc::setup when an xref data structure is mishandled during extractPDFSubtype processing. A remote attacker can trick the victim into opening a specially crafter PDF file cause application crash by Object.h SIGABRT.
2) Out-of-bounds read (CVE-ID: CVE-2019-9631)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to heap-based buffer over-read in the CairoRescaleBox.cc downsample_row_box_filter function. A remote attacker can perform a denial of service attack.
3) Heap-based buffer overflow (CVE-ID: CVE-2019-9200)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing PDF files in ImageStream::getLine() function in Stream.cc. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger heap-based buffer overflow 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.