Moderate severityNVD Advisory· Published Aug 14, 2015· Updated Jun 17, 2026

CVE-2015-1819

Description

The xmlreader in libxml allows remote attackers to cause a denial of service (memory consumption) via crafted XML data, related to an XML Entity Expansion (XEE) attack.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
nokogiriRubyGems	>= 1.6.6.0, < 1.6.6.4	1.6.6.4

Affected products

Xmlsoft/Libxml2
cpe:2.3:a:xmlsoft:libxml:*:*:*:*:*:*:*:*
Apple Inc./Iphone OS
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <=9.2.1
Apple Inc./Mac OS X
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Range: <=10.11.3
Apple Inc./tvOS
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
Range: <=9.1
Apple Inc./watchOS
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Range: <=2.1
Canonical/Ubuntu Linux3 versions
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*+ 2 more
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Fedoraproject/Fedora2 versions
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
OpenSUSE/openSUSE2 versions
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
Oracle Corporation/Linux
cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
Oracle Corporation/Solaris
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Server
cpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
Range: <=5.0
ghsa-coords34 versions
pkg:gem/nokogiri pkg:rpm/opensuse/libxml2&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/ruby3.2-rubygem-nokogiri&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/rubygem-nokogiri&distro=openSUSE%20Tumbleweed pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP3 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Desktop%2012 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP3 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP3 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012 pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1 pkg:rpm/suse/libxml2-python&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP3 pkg:rpm/suse/libxml2-python&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4 pkg:rpm/suse/libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3 pkg:rpm/suse/libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP3 pkg:rpm/suse/libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Desktop%2012 pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012 pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1
>= 1.6.6.0, < 1.6.6.4+ 33 more
- (no CPE)range: >= 1.6.6.0, < 1.6.6.4
- (no CPE)range: < 2.9.4-1.22
- (no CPE)range: < 1.13.9-1.7
- (no CPE)range: < 1.6.8.1-1.3
- (no CPE)range: < 2.7.6-0.34.1
- (no CPE)range: < 2.7.6-0.34.1
- (no CPE)range: < 2.9.1-13.1
- (no CPE)range: < 2.9.1-13.1
- (no CPE)range: < 2.7.6-0.34.1
- (no CPE)range: < 2.7.6-0.34.1
- (no CPE)range: < 2.7.6-0.34.1
- (no CPE)range: < 2.9.1-13.1
- (no CPE)range: < 2.9.1-13.1
- (no CPE)range: < 2.7.6-0.34.1
- (no CPE)range: < 2.7.6-0.34.1
- (no CPE)range: < 2.9.1-13.1
- (no CPE)range: < 2.9.1-13.1
- (no CPE)range: < 2.7.6-0.34.1
- (no CPE)range: < 2.7.6-0.34.1
- (no CPE)range: < 2.9.1-13.1
- (no CPE)range: < 2.9.1-13.1
- (no CPE)range: < 2.7.6-0.34.4
- (no CPE)range: < 2.7.6-0.34.4
- (no CPE)range: < 2.7.6-0.34.4
- (no CPE)range: < 2.7.6-0.34.4
- (no CPE)range: < 2.7.6-0.34.4
- (no CPE)range: < 2.7.6-0.34.4
- (no CPE)range: < 2.7.6-0.34.4
- (no CPE)range: < 2.9.1-13.1
- (no CPE)range: < 2.9.1-13.1
- (no CPE)range: < 2.9.1-13.1
- (no CPE)range: < 2.9.1-13.1
- (no CPE)range: < 2.9.1-13.1
- (no CPE)range: < 2.9.1-13.1

Patches

Vulnerability mechanics

References

git.gnome.org/browse/libxml2/commit/nvdPatchVendor AdvisoryWEB
lists.apple.com/archives/security-announce/2016/Mar/msg00000.htmlnvdMailing ListThird Party AdvisoryWEB
lists.apple.com/archives/security-announce/2016/Mar/msg00001.htmlnvdMailing ListThird Party AdvisoryWEB
lists.apple.com/archives/security-announce/2016/Mar/msg00002.htmlnvdMailing ListThird Party AdvisoryWEB
lists.apple.com/archives/security-announce/2016/Mar/msg00004.htmlnvdMailing ListThird Party AdvisoryWEB
lists.fedoraproject.org/pipermail/package-announce/2015-November/172710.htmlnvdThird Party AdvisoryWEB
lists.fedoraproject.org/pipermail/package-announce/2015-November/172943.htmlnvdThird Party AdvisoryWEB
lists.opensuse.org/opensuse-updates/2015-12/msg00120.htmlnvdThird Party AdvisoryWEB
lists.opensuse.org/opensuse-updates/2016-01/msg00031.htmlnvdThird Party AdvisoryWEB
rhn.redhat.com/errata/RHSA-2015-1419.htmlnvdThird Party AdvisoryWEB
rhn.redhat.com/errata/RHSA-2015-2550.htmlnvdThird Party AdvisoryWEB
www.debian.org/security/2015/dsa-3430nvdThird Party AdvisoryWEB
www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.htmlnvdThird Party AdvisoryWEB
www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlnvdThird Party AdvisoryWEB
www.securityfocus.com/bid/75570nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1034243nvdThird Party AdvisoryVDB Entry
www.ubuntu.com/usn/USN-2812-1nvdThird Party AdvisoryWEB
xmlsoft.org/news.htmlnvdThird Party AdvisoryWEB
github.com/advisories/GHSA-q7wx-62r7-j2x7ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2015-1819ghsaADVISORY
security.gentoo.org/glsa/201507-08nvdThird Party AdvisoryWEB
security.gentoo.org/glsa/201701-37nvdThird Party AdvisoryWEB
support.apple.com/HT206166nvdThird Party AdvisoryWEB
support.apple.com/HT206167nvdThird Party AdvisoryWEB
support.apple.com/HT206168nvdThird Party AdvisoryWEB
support.apple.com/HT206169nvdThird Party AdvisoryWEB
github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2015-1819.ymlghsaWEB
github.com/sparklemotion/nokogiri/issues/1374ghsaWEB

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epss	0.005
exploit	0.000
kev	0.000
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ransomware	0.000