CVE-2017-18258

The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
Affected Products (NVD)
VendorProductVersion
xmlsoftlibxml2
𝑥
< 2.9.6
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
wheezy
postponed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libxml2
artful
ignored
bionic
Fixed 2.9.4+dfsg1-6.1ubuntu1.2
released
trusty
Fixed 2.9.1+dfsg1-3ubuntu4.13
released
xenial
Fixed 2.9.3+dfsg1-1ubuntu0.6
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
libxml2-2
suse enterprise desktop 15 SP1
2.9.7-3.6.1
fixed
suse enterprise desktop 15 SP2
2.9.7-3.19.8
fixed
suse enterprise desktop 15 SP3
2.9.7-3.28.1
fixed
suse enterprise sap 12 SP3
2.9.4-46.15.1
fixed
suse enterprise sap 12 SP5
2.9.4-46.20.1
fixed
suse enterprise sap 15 SP1
2.9.7-3.6.1
fixed
suse enterprise sap 15 SP2
2.9.7-3.19.8
fixed
suse enterprise sap 15 SP3
2.9.7-3.28.1
fixed
suse enterprise server 12 SP3
2.9.4-46.15.1
fixed
suse enterprise server 12 SP5
2.9.4-46.20.1
fixed
suse enterprise server 15 SP1
2.9.7-3.6.1
fixed
suse enterprise server 15 SP2
2.9.7-3.19.8
fixed
suse enterprise server 15 SP3
2.9.7-3.28.1
fixed
libxml2-2-32bit
suse enterprise desktop 15 SP1
2.9.7-3.6.1
fixed
suse enterprise desktop 15 SP2
2.9.7-3.19.8
fixed
suse enterprise desktop 15 SP3
2.9.7-3.28.1
fixed
suse enterprise sap 12 SP3
2.9.4-46.15.1
fixed
suse enterprise sap 12 SP5
2.9.4-46.20.1
fixed
suse enterprise sap 15 SP1
2.9.7-3.6.1
fixed
suse enterprise sap 15 SP2
2.9.7-3.19.8
fixed
suse enterprise sap 15 SP3
2.9.7-3.28.1
fixed
suse enterprise server 12 SP3
2.9.4-46.15.1
fixed
suse enterprise server 12 SP5
2.9.4-46.20.1
fixed
suse enterprise server 15 SP1
2.9.7-3.6.1
fixed
suse enterprise server 15 SP2
2.9.7-3.19.8
fixed
suse enterprise server 15 SP3
2.9.7-3.28.1
fixed
libxml2-devel
suse enterprise desktop 15 SP1
2.9.7-3.6.1
fixed
suse enterprise desktop 15 SP2
2.9.7-3.19.8
fixed
suse enterprise desktop 15 SP3
2.9.7-3.28.1
fixed
suse enterprise sap 15 SP1
2.9.7-3.6.1
fixed
suse enterprise sap 15 SP2
2.9.7-3.19.8
fixed
suse enterprise sap 15 SP3
2.9.7-3.28.1
fixed
suse enterprise server 15 SP1
2.9.7-3.6.1
fixed
suse enterprise server 15 SP2
2.9.7-3.19.8
fixed
suse enterprise server 15 SP3
2.9.7-3.28.1
fixed
libxml2-doc
suse enterprise sap 12 SP3
2.9.4-46.15.1
fixed
suse enterprise sap 12 SP5
2.9.4-46.20.1
fixed
suse enterprise server 12 SP3
2.9.4-46.15.1
fixed
suse enterprise server 12 SP5
2.9.4-46.20.1
fixed
libxml2-tools
suse enterprise desktop 15 SP1
2.9.7-3.6.1
fixed
suse enterprise desktop 15 SP2
2.9.7-3.19.8
fixed
suse enterprise desktop 15 SP3
2.9.7-3.28.1
fixed
suse enterprise sap 12 SP3
2.9.4-46.15.1
fixed
suse enterprise sap 12 SP5
2.9.4-46.20.1
fixed
suse enterprise sap 15 SP1
2.9.7-3.6.1
fixed
suse enterprise sap 15 SP2
2.9.7-3.19.8
fixed
suse enterprise sap 15 SP3
2.9.7-3.28.1
fixed
suse enterprise server 12 SP3
2.9.4-46.15.1
fixed
suse enterprise server 12 SP5
2.9.4-46.20.1
fixed
suse enterprise server 15 SP1
2.9.7-3.6.1
fixed
suse enterprise server 15 SP2
2.9.7-3.19.8
fixed
suse enterprise server 15 SP3
2.9.7-3.28.1
fixed
python-libxml2
suse enterprise sap 12 SP3
2.9.4-46.15.1
fixed
suse enterprise server 12 SP3
2.9.4-46.15.1
fixed
python3-libxml2-python
suse enterprise desktop 15 SP2
2.9.7-3.19.10
fixed
suse enterprise desktop 15 SP3
2.9.7-3.28.1
fixed
suse enterprise sap 15 SP2
2.9.7-3.19.10
fixed
suse enterprise sap 15 SP3
2.9.7-3.28.1
fixed
suse enterprise server 15 SP2
2.9.7-3.19.10
fixed
suse enterprise server 15 SP3
2.9.7-3.28.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
libxml2
RHEL 7
0:2.9.1-6.el7.4
fixed
libxml2-devel
RHEL 7
0:2.9.1-6.el7.4
fixed
libxml2-python
RHEL 7
0:2.9.1-6.el7.4
fixed
libxml2-static
RHEL 7
0:2.9.1-6.el7.4
fixed
Common Weakness Enumeration
References
https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb
https://kc.mcafee.com/corporate/index?page=content&id=SB10284
https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html
https://security.netapp.com/advisory/ntap-20190719-0001/
https://usn.ubuntu.com/3739-1/
https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb
https://kc.mcafee.com/corporate/index?page=content&id=SB10284
https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html
https://security.netapp.com/advisory/ntap-20190719-0001/
https://usn.ubuntu.com/3739-1/