HIGH
libxml2: Heap-based buffer underreads due to xmlParseName
Published Jun 9, 2016
7.5
HIGHCVSS 3.0
EPSS 13.98%
Description
The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.
Affected products
No data.
Configuration 1
- 3.0
Configuration 2
OR
- 12.04
- 14.04
- 15.10
- 16.04
Configuration 3
OR
- 7.0
- 8.0
Configuration 6
Configuration 8
OR
- ≥ 7.5.0.0 · ≤ 7.5.2.10
- ≥ 7.6.0.0 · ≤ 7.6.2.3
No data.
Red Hat Enterprise Linux 6
libxml2-0:2.7.6-21.el6_8.1
Fixed · RHSA-2016:1292
Red Hat Enterprise Linux 7
libxml2-0:2.9.1-6.el7_2.3
Fixed · RHSA-2016:1292
Red Hat JBoss Core Services
n/a
Fixed · RHSA-2016:2957
Red Hat Enterprise Linux 5
libxml2
Will not fix
Red Hat JBoss Enterprise Web Server 3
libxml2
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | libxml2-0:2.7.6-21.el6_8.1 | Fixed | RHSA-2016:1292 |
| Red Hat Enterprise Linux 7 | libxml2-0:2.9.1-6.el7_2.3 | Fixed | RHSA-2016:1292 |
| Red Hat JBoss Core Services | n/a | Fixed | RHSA-2016:2957 |
| Red Hat Enterprise Linux 5 | libxml2 | Will not fix | n/a |
| Red Hat JBoss Enterprise Web Server 3 | libxml2 | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
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
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
13.98% 0.13980
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.13980
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (56 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 13.98% (0.13980) | 96.44th | v5 (v2026.06.15) |
| Sep 22, 2026 | 13.98% (0.13980) | 96.38th | v5 (v2026.06.15) |
| Sep 21, 2026 | 11.14% (0.11141) | 95.80th | v5 (v2026.06.15) |
| Sep 6, 2026 | 13.98% (0.13980) | 96.30th | v5 (v2026.06.15) |
| Sep 5, 2026 | 11.14% (0.11141) | 95.71th | v5 (v2026.06.15) |
| Aug 30, 2026 | 13.98% (0.13980) | 96.28th | v5 (v2026.06.15) |
| Aug 28, 2026 | 11.14% (0.11141) | 95.69th | v5 (v2026.06.15) |
| Aug 24, 2026 | 13.98% (0.13980) | 96.26th | v5 (v2026.06.15) |
| Aug 23, 2026 | 11.14% (0.11141) | 95.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 13.62% (0.13616) | 95.97th | v5 (v2026.06.15) |
| May 12, 2026 | 3.14% (0.03141) | 87.00th | v4 (v2025.03.14) |
| Mar 24, 2026 | 2.06% (0.02064) | 83.78th | v4 (v2025.03.14) |
| Mar 4, 2026 | 3.33% (0.03334) | 87.06th | v4 (v2025.03.14) |
| Mar 1, 2026 | 1.21% (0.01205) | 78.78th | v4 (v2025.03.14) |
| Feb 4, 2026 | 3.33% (0.03334) | 86.97th | v4 (v2025.03.14) |
| Feb 1, 2026 | 1.21% (0.01205) | 78.67th | v4 (v2025.03.14) |
| Jan 4, 2026 | 3.33% (0.03334) | 86.92th | v4 (v2025.03.14) |
| Jan 1, 2026 | 1.21% (0.01205) | 78.60th | v4 (v2025.03.14) |
| Dec 4, 2025 | 3.33% (0.03334) | 86.85th | v4 (v2025.03.14) |
| Dec 1, 2025 | 1.21% (0.01205) | 78.44th | v4 (v2025.03.14) |
| Nov 4, 2025 | 3.33% (0.03334) | 86.77th | v4 (v2025.03.14) |
| Nov 1, 2025 | 1.21% (0.01205) | 78.40th | v4 (v2025.03.14) |
| Oct 4, 2025 | 3.33% (0.03334) | 86.79th | v4 (v2025.03.14) |
| Oct 1, 2025 | 1.21% (0.01205) | 78.33th | v4 (v2025.03.14) |
| Sep 5, 2025 | 2.82% (0.02822) | 85.62th | v4 (v2025.03.14) |
| Sep 1, 2025 | 1.01% (0.01015) | 76.37th | v4 (v2025.03.14) |
| Aug 4, 2025 | 2.80% (0.02801) | 85.56th | v4 (v2025.03.14) |
| Aug 1, 2025 | 1.02% (0.01024) | 76.45th | v4 (v2025.03.14) |
| Jul 4, 2025 | 2.80% (0.02801) | 85.51th | v4 (v2025.03.14) |
| Jul 1, 2025 | 1.02% (0.01024) | 76.36th | v4 (v2025.03.14) |
| Jun 4, 2025 | 3.71% (0.03708) | 87.39th | v4 (v2025.03.14) |
| Jun 1, 2025 | 1.24% (0.01245) | 78.36th | v4 (v2025.03.14) |
| May 27, 2025 | 3.71% (0.03708) | 87.38th | v4 (v2025.03.14) |
| May 4, 2025 | 5.47% (0.05475) | 89.64th | v4 (v2025.03.14) |
| May 1, 2025 | 1.65% (0.01650) | 81.05th | v4 (v2025.03.14) |
| Apr 20, 2025 | 5.47% (0.05475) | 89.64th | v4 (v2025.03.14) |
| Apr 19, 2025 | 1.65% (0.01650) | 80.98th | v4 (v2025.03.14) |
| Apr 16, 2025 | 5.47% (0.05475) | 89.62th | v4 (v2025.03.14) |
| Apr 13, 2025 | 2.17% (0.02166) | 82.89th | v4 (v2025.03.14) |
| Apr 11, 2025 | 12.12% (0.12122) | 93.21th | v4 (v2025.03.14) |
| Apr 10, 2025 | 2.17% (0.02166) | 82.89th | v4 (v2025.03.14) |
| Mar 30, 2025 | 12.12% (0.12122) | 93.19th | v4 (v2025.03.14) |
| Mar 29, 2025 | 24.79% (0.24792) | 93.78th | v4 (v2025.03.14) |
| Mar 22, 2025 | 12.12% (0.12122) | 93.26th | v4 (v2025.03.14) |
| Mar 21, 2025 | 2.17% (0.02166) | 82.86th | v4 (v2025.03.14) |
| Mar 20, 2025 | 12.12% (0.12122) | 93.26th | v4 (v2025.03.14) |
| Mar 19, 2025 | 2.17% (0.02166) | 82.46th | v4 (v2025.03.14) |
| Mar 17, 2025 | 12.12% (0.12122) | 93.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.16% (0.00160) | 53.90th | v3 (v2023.03.01) |
| Apr 1, 2024 | 0.16% (0.00160) | 51.74th | v3 (v2023.03.01) |
| May 13, 2023 | 0.20% (0.00199) | 56.34th | v3 (v2023.03.01) |
| Mar 31, 2023 | 0.19% (0.00187) | 54.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.18% (0.00181) | 53.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
Weaknesses (2)
References (31)
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html vendor-advisoryx_refsource_APPLEMailing ListThird Party Advisory
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html vendor-advisoryx_refsource_APPLEMailing ListThird Party Advisory
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html vendor-advisoryx_refsource_APPLEMailing ListThird Party Advisory
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html vendor-advisoryx_refsource_APPLEMailing ListNot Applicable
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html vendor-advisoryx_refsource_APPLEMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2957.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/25/2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html x_refsource_CONFIRMThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html x_refsource_CONFIRMThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/90864 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036348 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.404722 vendor-advisoryx_refsource_SLACKWAREExploitMailing ListThird Party Advisory
- http://www.ubuntu.com/usn/USN-2994-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://xmlsoft.org/news.html x_refsource_CONFIRMRelease NotesVendor Advisory
- https://access.redhat.com/errata/RHSA-2016:1292 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-4447 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1338686 Issue Tracking
- https://git.gnome.org/browse/libxml2/commit/?id=00906759053986b8079985644172085f74331f83 x_refsource_CONFIRMPatchThird Party Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709 x_refsource_CONFIRMThird Party Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10170 x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-4447
- https://support.apple.com/HT206899 x_refsource_CONFIRMThird Party Advisory
- https://support.apple.com/HT206901 x_refsource_CONFIRMThird Party Advisory
- https://support.apple.com/HT206902 x_refsource_CONFIRMThird Party Advisory
- https://support.apple.com/HT206903 x_refsource_CONFIRMThird Party Advisory
- https://support.apple.com/HT206904 x_refsource_CONFIRMThird Party Advisory
- https://support.apple.com/HT206905 x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2016-4447
- https://www.debian.org/security/2016/dsa-3593 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.tenable.com/security/tns-2016-18 x_refsource_CONFIRMThird Party Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Jun 9, 2016
Updated Aug 6, 2024
Reserved May 2, 2016
Link CVE-2016-4447
CISA Vulnrichment
Updated n/a