CVE-2017-18926

Description

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).

References

https://www.debian.org/security/2020/dsa-4785

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDZRNM45VPTQF2BKRWG4YRCHJGQ2L7NS/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVHFYQDMVEBICIL4DBAGRRLPUR4QYWMV/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RD67AVORGQXORPWNYYUHCH6YPPT6CI4O/

https://lists.debian.org/debian-lts-announce/2020/11/msg00012.html

https://github.com/LibreOffice/core/blob/master/external/redland/raptor/0001-Calcualte-max-nspace-declarations-correctly-for-XML-.patch.1

http://www.openwall.com/lists/oss-security/2020/11/16/3

http://www.openwall.com/lists/oss-security/2020/11/16/2

http://www.openwall.com/lists/oss-security/2020/11/14/2

http://www.openwall.com/lists/oss-security/2020/11/13/2

http://www.openwall.com/lists/oss-security/2020/11/13/1

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3