VULNERABILITY INTELLIGENCE

CVE-2017-16931

CVSS score9.8 CRITICAL
EPSS probability4.58%
CISA KEVNot currently listed
Published2017-11-23
Last modified2026-10-14
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

Primary references