CVE-2017-18926: Buffer Overflow

Published Nov 6, 2020
·
Updated

raptorxmlwriterstartelementcommon in raptorxmlwriter.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 raptorqnameformatasxml).

Affected Software

7 affected componentsFixes available
debian/raptor2
2.0.14-1.1~deb10u22.0.14-1.1~deb10u12.0.14-1.22.0.15-42.0.16-3
Librdf Raptor Rdf Syntax Library=2.0.15
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Fedoraproject Fedora=31
Fedoraproject Fedora=32
Fedoraproject Fedora=33

Event History

Nov 6, 2020
CVE Published
via MITRE·05:48 PM
Data Sourced
via MITRE·05:48 PM
Description
Data Sourced
08:42 PM
SeverityAffected Software
Nov 9, 2020
Data Sourced
via Red Hat·07:00 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2017-18926.

2

What is the title of the vulnerability?

The title of the vulnerability is 'raptor_xml_writer_start_element_common in raptor_xml_writer.c in Raptor RDF Syntax Library 2.0.15'.

3

What is the severity of CVE-2017-18926?

The severity of CVE-2017-18926 is high with a severity value of 7.1.

4

What software is affected by CVE-2017-18926?

The affected software includes Raptor RDF Syntax Library 2.0.15, Debian Debian Linux 9.0 and 10.0, and Fedoraproject Fedora 31, 32, and 33.

5

How can the CVE-2017-18926 vulnerability be fixed?

To fix CVE-2017-18926, update the affected Raptor RDF Syntax Library version to 2.0.16-3 or apply the corresponding security patches provided by the software vendor.

Contact

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