CVE-2017-16931
parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name.
- Score
- CVSS 3.0 9.8 Critical
- Status
- Modified - cve@mitre.org
- Published
- 2017-11-23
- Last modified
- 2026-10-14
- Weaknesses
- CWE-119
Affected products
- Simatic S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
- Simatic S7-1500 Cpu 1518f-4 Pndp Mfp (Siemens)
- Siplus S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
- Libxml2 (Xmlsoft)
References
- https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://bugzilla.gnome.org/show_bug.cgi?id=766956
- http://xmlsoft.org/news.html
- https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html