CVE-2017-18926

moderate-risk
Published 2020-11-06

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).

Do I need to act?

~
2.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.1/10 High
NETWORK / LOW complexity

Affected Products (6)

Raptor Rdf Syntax Library

Affected Vendors

References (24)

and 4 more references
44
/ 100
moderate-risk
Severity 25/34 · High
Exploitability 6/34 · Minimal
Exposure 13/34 · Low