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CVE-2016-3705

27
FAUCET Score

CVE-2016-3705 is a denial-of-service vulnerability in libxml2 versions prior to 2.9.4, affecting products from vendors like Canonical, Debian, and HP. Attackers can exploit this by crafting an XML document with deeply nested entity references, leading to stack consumption and application crashes. Rated with a CVSSv3 score of 7.5 (High), it requires no user interaction and has low attack complexity, but only impacts availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
15.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
2.9.3CPE matchmatch criteria
cpe:2.3:a:xmlsoft:libxml2:2.9.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
5.10%
Probability of exploitation in next 30 days
EPSS Percentile
91.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0510 is in the 85th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libxml2-0:2.7.6-21.el6_8.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libxml2-0:2.9.1-6.el7_2.3
View patch
redhatpatch availablevia redhat_api
Product: Text-Only JBCS
View patch
redhatno patchvia redhat_api
Product: Red Hat JBoss Core ServicesFixed in: httpd
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libxml2
redhatend of lifevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 3Fixed in: libxml2

Vendor Advisories (1)

redhatCVE-2016-3705Moderate

libxml2: stack overflow before detecting invalid XML file

May 3, 2016

References

lists.opensuse.org / opensuse-updates/2016-05/msg00055.html
lists.opensuse.org / opensuse-updates/2016-05/msg00127.html
rhn.redhat.com / errata/RHSA-2016-2957.html
access.redhat.com / errata/RHSA-2016:1292
bugzilla.gnome.org / show_bug.cgi
seclists.org / fulldisclosure/2016/May/10
h20566.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay
kc.mcafee.com / corporate/index
security.gentoo.org / glsa/201701-37
debian.org / security/2016/dsa-3593
tenable.com / security/tns-2016-18
oracle.com / technetwork/topics/security/bulletinjul2016-3090568.html
oracle.com / technetwork/topics/security/linuxbulletinjul2016-3090544.html
oracle.com / technetwork/topics/security/ovmbulletinjul2016-3090546.html
securityfocus.com / bid/89854
ubuntu.com / usn/USN-2994-1