CRITICAL
libxml2: Format string vulnerability
Published Jun 9, 2016
9.8
CRITICALCVSS 3.1
EPSS 7.04%
Description
Format string vulnerability in libxml2 before 2.9.4 allows attackers to have unspecified impact via format string specifiers in unknown vectors.
Affected products
No data.
Configuration 1
AND
- 3.0
Running on/with
OR
- 6.0
- 7.0
Configuration 7
OR
- 6.0
- 7.0
- 6.0
- 7.0
- 7.2
- 7.3
- 7.4
- 7.6
- 7.7
- 7.2
- 7.3
- 7.4
- 7.5
- 7.6
- 7.7
- 7.2
- 7.3
- 7.6
- 7.7
- 6.0
- 7.0
Configuration 9
OR
- 14.0
- 14.1
Configuration 12
- 4.8.0
Configuration 13
OR
- ≤ 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.
9.8 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
7.04% 0.07039
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.07039
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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.04% (0.07039) | 93.99th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.04% (0.07039) | 93.34th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.17% (0.02175) | 82.83th | v4 (v2025.03.14) |
| Mar 29, 2025 | 13.22% (0.13219) | 90.21th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.91% (0.02908) | 85.45th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.02% (0.01018) | 84.44th | v3 (v2023.03.01) |
| Jul 9, 2024 | 1.02% (0.01018) | 83.88th | v3 (v2023.03.01) |
| Apr 1, 2024 | 0.89% (0.00887) | 82.23th | v3 (v2023.03.01) |
| Jan 26, 2024 | 0.95% (0.00952) | 81.53th | v3 (v2023.03.01) |
| Dec 23, 2023 | 0.80% (0.00801) | 79.75th | v3 (v2023.03.01) |
| Mar 31, 2023 | 0.82% (0.00816) | 79.30th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.58% (0.00576) | 74.64th | 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 (1)
References (30)
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html vendor-advisoryx_refsource_APPLEMailing ListRelease Notes
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html vendor-advisoryx_refsource_APPLEMailing ListRelease Notes
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html vendor-advisoryx_refsource_APPLEMailing ListRelease Notes
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html vendor-advisoryx_refsource_APPLEMailing ListRelease Notes
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html vendor-advisoryx_refsource_APPLEMailing ListRelease Notes
- 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_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/90856 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_SLACKWAREThird Party Advisory
- http://xmlsoft.org/news.html x_refsource_CONFIRMRelease Notes
- https://access.redhat.com/errata/RHSA-2016:1292 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-4448 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1338700 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://git.gnome.org/browse/libxml2/commit/?id=4472c3a5a5b516aaf59b89be602fbce52756c3e9 x_refsource_CONFIRMVendor Advisory
- https://git.gnome.org/browse/libxml2/commit/?id=502f6a6d08b08c04b3ddfb1cd21b2f699c1b7f5b x_refsource_CONFIRMVendor 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_CONFIRMThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-4448
- https://support.apple.com/HT206899 x_refsource_CONFIRMRelease Notes
- https://support.apple.com/HT206901 x_refsource_CONFIRMRelease Notes
- https://support.apple.com/HT206902 x_refsource_CONFIRMRelease Notes
- https://support.apple.com/HT206903 x_refsource_CONFIRMRelease Notes
- https://support.apple.com/HT206904 x_refsource_CONFIRMRelease Notes
- https://support.apple.com/HT206905 x_refsource_CONFIRMRelease Notes
- https://www.cve.org/CVERecord?id=CVE-2016-4448
- 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-2016-4448
CISA Vulnrichment
Updated n/a