CVE-2017-18926
HIGH 7.1EPSS 3.1%
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 v3.1 NVD
- 7.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H - CVSS v2.0 NVD
- 5.8 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:P - EPSS
- 3.12% chance of exploitation in the next 30 days, 88th percentile
- Published
- 2020-11-06
- Updated
- 2024-08-05
Proof-of-concept exploits (1)
Security advisories
- 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/2020/11/16/2
- http://www.openwall.com/lists/oss-security/2020/11/16/3
- LibreOffice/core/blob/master/external/redland/raptor/0001-Calcualte-max-nspace-declaratio…
- https://lists.debian.org/debian-lts-announce/2020/11/msg00012.html
- https://www.debian.org/security/2020/dsa-4785