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.
References (5)
Core 5
Core References
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html
Vendor Advisory x_refsource_misc
https://www.oracle.com//security-alerts/cpujul2021.html
Permissions Required x_refsource_confirm
https://bugzilla.gnome.org/show_bug.cgi?id=766956
Release Notes, Vendor Advisory x_refsource_confirm
http://xmlsoft.org/news.html
Patch, Third Party Advisory x_refsource_confirm
https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3
Scores
CVSS v3
9.8
EPSS
0.0147
EPSS Percentile
81.1%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-119
Status
published
Products (1)
xmlsoft/libxml2
< 2.9.4
Published
Nov 23, 2017
Tracked Since
Feb 18, 2026