Heap-based Buffer Overflow Affecting libreoffice-help-ca package, versions *


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.45% (76th percentile)

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  • Snyk IDSNYK-CENTOS7-LIBREOFFICEHELPCA-1980387
  • published26 Jul 2021
  • disclosed7 Jun 2017

Introduced: 7 Jun 2017

CVE-2017-18926  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 libreoffice-help-ca.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libreoffice-help-ca package and not the libreoffice-help-ca package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

raptor_xml_writer_start_element_common in raptor_xml_writer.c in Raptor RDF Syntax Library 2.0.15 miscalculates the maximum nspace declarations for the XML writer, leading to heap-based buffer overflows (sometimes seen in raptor_qname_format_as_xml).

CVSS Scores

version 3.1