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Status published
High
CVE-2017-18926
raptor_xml_writer_start_element_common in raptor_xml_writer.c in Raptor RDF Syntax Library 2.0.15 miscalculates...
Vulnerability 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).
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://www.openwall.com/lists/oss-security/2017/06/07/1
- https://github.com/LibreOffice/core/blob/master/external/redland/raptor/0001-Calcualte-max-nspace-declarations-correctly-for-XML-.patch.1
- https://lists.debian.org/debian-lts-announce/2020/11/msg00012.html
- https://www.debian.org/security/2020/dsa-4785
- http://www.openwall.com/lists/oss-security/2020/11/13/1
- http://www.openwall.com/lists/oss-security/2020/11/13/2
- http://www.openwall.com/lists/oss-security/2020/11/14/2
- http://www.openwall.com/lists/oss-security/2020/11/16/3
- http://www.openwall.com/lists/oss-security/2020/11/16/2
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RD67AVORGQXORPWNYYUHCH6YPPT6CI4O/
- 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/WDZRNM45VPTQF2BKRWG4YRCHJGQ2L7NS/
Affected Vendor
librdf
View all reports →Affected Software
raptor rdf syntax library, debian linux, fedora
Vulnerable Versions:
2.0.15, 9.0, 10.0, 31, 32, 33
Timeline
Official Publish:
November 6th, 2020
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.