SB2019022026 - Fedora 29 update for mingw-poppler



SB2019022026 - Fedora 29 update for mingw-poppler

Published: February 20, 2019 Updated: April 24, 2025

Security Bulletin ID SB2019022026
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Heap-based buffer over-read (CVE-ID: CVE-2019-7310)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an integer signedness error in the XRef::getEntry function in XRef.cc. A remote attacker can trick the victim into processing a specially crafted PDF document, as demonstrated by pdftocairo, trigger heap-based buffer over-read and perform a denial of service.

2) 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.


Remediation

Install update from vendor's website.