xerces-c: Use-after-free in heap on specially crafted XML input
Published May 13, 2016
9.8
CRITICALCVSS 3.0
EPSS 6.78%
Description
Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 3.1.3 and earlier allows context-dependent attackers to have unspecified impact via an invalid character in an XML document.
Affected products
No data.
Configuration 1
- ≤ 3.1.3
No data.
Red Hat Enterprise Linux 6
xerces-c
Will not fix
Red Hat Enterprise Linux 7
xerces-c
Will not fix
Red Hat Enterprise MRG 2
xerces-c
Will not fix
Red Hat Enterprise MRG 3
xerces-c
Will not fix
Red Hat OpenShift Enterprise 2
xerces-c
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | xerces-c | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | xerces-c | Will not fix | n/a |
| Red Hat Enterprise MRG 2 | xerces-c | Will not fix | n/a |
| Red Hat Enterprise MRG 3 | xerces-c | Will not fix | n/a |
| Red Hat OpenShift Enterprise 2 | xerces-c | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.78% (0.06781) | 93.79th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.84% (0.06837) | 93.17th | v5 (v2026.06.15) |
| Aug 30, 2025 | 1.61% (0.01611) | 81.03th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.91% (0.02906) | 85.13th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.58% (0.06582) | 84.85th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.91% (0.02906) | 85.44th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.37% (0.00372) | 73.51th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.37% (0.00372) | 71.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.37% (0.00372) | 68.34th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.03% (0.03032) | 83.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.03% (0.03032) | 81.96th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.03% (0.03032) | 64.44th | v2 (v2022.01.01) |
References (13)
- http://lists.opensuse.org/opensuse-updates/2016-07/msg00016.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2016-07/msg00053.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00013.html vendor-advisoryx_refsource_SUSE
- http://www.debian.org/security/2016/dsa-3579 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2016/05/09/7 mailing-listx_refsource_MLIST
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/90502 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2016-2099 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1310699 Issue Tracking
- https://issues.apache.org/jira/browse/XERCESC-2066 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2016-2099
- https://security.gentoo.org/glsa/201612-46 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-2099
Change history (0)
No recorded changes yet.