libxml2: out-of-bounds read
Published Apr 11, 2017
7.5
HIGHCVSS 3.1
EPSS 6.17%
Description
The xmlBufAttrSerializeTxtContent function in xmlsave.c in libxml2 allows context-dependent attackers to cause a denial of service (out-of-bounds read and application crash) via a non-UTF-8 attribute value, related to serialization. NOTE: this vulnerability may be a duplicate of CVE-2016-3627.
Affected products
No data.
No data.
Red Hat JBoss Core Services
n/a
Fixed · RHSA-2016:2957
Red Hat Enterprise Linux 5
libxml2
Will not fix
Red Hat Enterprise Linux 6
libxml2
Will not fix
Red Hat Enterprise Linux 7
libxml2
Will not fix
Red Hat JBoss Core Services
httpd
Affected
Red Hat JBoss Enterprise Web Server 3
libxml2
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat JBoss Core Services | n/a | Fixed | RHSA-2016:2957 |
| Red Hat Enterprise Linux 5 | libxml2 | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | libxml2 | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | libxml2 | Will not fix | n/a |
| Red Hat JBoss Core Services | httpd | Affected | n/a |
| Red Hat JBoss Enterprise Web Server 3 | libxml2 | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
When a specially-crafted XML file is parsed via an application compiled against libxml2, this can cause the application to crash. (No code execution)
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 | 6.17% (0.06165) | 93.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.17% (0.06165) | 92.54th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.22% (0.01221) | 77.24th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.63% (0.04630) | 81.75th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.22% (0.01221) | 77.71th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.48% (0.00485) | 76.77th | v3 (v2023.03.01) |
| Mar 14, 2024 | 0.48% (0.00485) | 75.46th | v3 (v2023.03.01) |
| Mar 8, 2024 | 0.46% (0.00455) | 74.67th | v3 (v2023.03.01) |
| Jan 31, 2024 | 0.46% (0.00455) | 72.67th | v3 (v2023.03.01) |
| Jul 16, 2023 | 0.44% (0.00441) | 71.45th | v3 (v2023.03.01) |
| Jun 7, 2023 | 0.63% (0.00625) | 75.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.56% (0.00556) | 74.15th | 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) |
References (18)
- http://rhn.redhat.com/errata/RHSA-2016-2957.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.debian.org/security/2016/dsa-3593 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/03/8 mailing-listx_refsource_MLISTExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/04/7 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/07/4 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/07/5 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/90013 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036348 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-4483 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1332820 Issue Tracking
- https://git.gnome.org/browse/libxml2/commit/?id=c97750d11bb8b6f3303e7131fe526a61ac65bcfd x_refsource_CONFIRMPatchThird Party Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2016-4483
- https://security.gentoo.org/glsa/201701-37 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2016-4483
- https://www.tenable.com/security/tns-2016-18 x_refsource_CONFIRMThird Party Advisory
Change history (0)
No recorded changes yet.