CVE-2016-3627: canonical ubuntu_linux Uncontrolled Recursion
CVSS: 7.5v3.1HighModified
AliasesSUSE-SU-2016:1204-1SUSE-SU-2016:1205-1UBUNTU-CVE-2016-3627DEBIAN-CVE-2016-3627
Published 17-05-2016Last modified 04-12-2025
Vulnerability summary
CVE-2016-3627 is a high (CVSS 7.5) Uncontrolled Recursion vulnerability in canonical ubuntu_linux. EPSS estimates a 7.03% chance of exploitation in the next 30 days, higher than 94.1% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
7.03%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 3Timeline
- 17-05-2016PublishedVulnerability first disclosed.
- 04-12-2025Last modifiedVulnerability information updated.
Description
The xmlStringGetNodeList function in tree.c in libxml2 2.9.3 and earlier, when used in recovery mode, allows context-dependent attackers to cause a denial of service (infinite recursion, stack consumption, and application crash) via a crafted XML document.
CVSS metrics
6 scores · 4 sources · 3 versionsHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
High 7.5Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
7.03%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 7.03% on 18-09-2026
18-09-202618-10-2026
EPSS score7.03%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse19 products
- libxml2-python&distro=SUSE Linux Enterprise Server 11 SP4< 2.7.6-0.40.3
- libxml2-python&distro=SUSE Linux Enterprise Server for SAP Applications 11 SP4< 2.7.6-0.40.3
- libxml2&distro=SUSE Linux Enterprise Desktop 12< 2.9.1-20.1
- libxml2&distro=SUSE Linux Enterprise Desktop 12 SP1< 2.9.1-20.1
- libxml2&distro=SUSE Linux Enterprise Server 11 SP4< 2.7.6-0.40.1
Redhat6 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_eus7.2 | 7.3 | 7.4 | 7.5 | 7.6 | 7.7
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.2 | 7.4 | 7.6
- enterprise_linux_workstation6.0 | 7.0
Debian2 products
- libxml2< 2.9.3+dfsg1-1.1
- debian_linuxEOL8.0
Hp2 products
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 15.10 | 16.04
Opensuse1 product
- leapEOL42.1
Ubuntu1 product
- libxml2< 2.9.1+dfsg1-3ubuntu4.8 | < 2.9.3+dfsg1-1ubuntu0.1
Xmlsoft1 product
- libxml2≤ 2.9.3
9 vendors · 35 products
References
27 links- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlX Refsource CONFIRMPatchThird Party Advisory
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05157239X Refsource CONFIRMThird Party Advisory
- lists.opensuse.org/opensuse-updates/2016-05/msg00127.htmlVendor AdvisoryX Refsource SUSEMailing List
- lists.opensuse.org/opensuse-updates/2016-05/msg00055.htmlVendor AdvisoryX Refsource SUSEMailing List
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlX Refsource CONFIRMPatchThird Party Advisory
Show all 27 references
- www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlX Refsource CONFIRMPatchThird Party Advisory
- bugzilla.suse.com/972335REPORT
- bugzilla.suse.com/975947REPORT