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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 90%
Affected Products (NVD)
VendorProductVersion
xmlsoftlibxml2
𝑥
≤ 2.9.4
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libxml2
bookworm
2.9.14+dfsg-1.3~deb12u1
fixed
bullseye
2.9.10+dfsg-6.7+deb11u4
fixed
bullseye (security)
2.9.10+dfsg-6.7+deb11u5
fixed
sid
2.12.7+dfsg+really2.9.14-0.1
fixed
trixie
2.12.7+dfsg+really2.9.14-0.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libxml2
artful
not-affected
trusty
not-affected
xenial
not-affected
zesty
not-affected
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
libxml2
Amazon Linux 1
0:2.9.1-6.6.42.amzn1
fixed
Amazon Linux 2
0:2.9.1-6.amzn2.3.3
fixed
libxml2-debuginfo
Amazon Linux 1
0:2.9.1-6.6.42.amzn1
fixed
Amazon Linux 2
0:2.9.1-6.amzn2.3.3
fixed
libxml2-devel
Amazon Linux 1
0:2.9.1-6.6.42.amzn1
fixed
Amazon Linux 2
0:2.9.1-6.amzn2.3.3
fixed
libxml2-python
Amazon Linux 2
0:2.9.1-6.amzn2.3.3
fixed
libxml2-python26
Amazon Linux 1
0:2.9.1-6.6.42.amzn1
fixed
libxml2-python27
Amazon Linux 1
0:2.9.1-6.6.42.amzn1
fixed
libxml2-static
Amazon Linux 1
0:2.9.1-6.6.42.amzn1
fixed
Amazon Linux 2
0:2.9.1-6.amzn2.3.3
fixed
Common Weakness Enumeration
References
http://xmlsoft.org/news.html
https://bugzilla.gnome.org/show_bug.cgi?id=766956
https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3
https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html
https://www.oracle.com//security-alerts/cpujul2021.html
http://xmlsoft.org/news.html
https://bugzilla.gnome.org/show_bug.cgi?id=766956
https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3
https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html
https://www.oracle.com//security-alerts/cpujul2021.html