9.8

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
XmlsoftLibxml2 Version <= 2.9.4
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 4.28% 0.899
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

http://xmlsoft.org/news.html
Vendor Advisory
Release Notes
https://www.oracle.com//security-alerts/cpujul2021.html
https://bugzilla.gnome.org/show_bug.cgi?id=766956
Permissions Required
https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html