perl-XML-LibXML: "expand_entities" option was not preserved under some circumstances
Published May 12, 2015
5.0
MEDIUMCVSS 2.0
EPSS 3.98%
Description
The _clone function in XML::LibXML before 2.0119 does not properly set the expand_entities option, which allows remote attackers to conduct XML external entity (XXE) attacks via crafted XML data to the (1) new or (2) load_xml function.
Affected products
No data.
Configuration 1
- ≤ 2.0118
Configuration 2
- 12.04
- 14.04
- 14.10
- 15.04
- 7.0
- 8.0
Configuration 3
- 20
- 21
No data.
Red Hat Enterprise Linux 5
perl-XML-LibXML
Will not fix
Red Hat Enterprise Linux 6
perl-XML-LibXML
Will not fix
Red Hat Enterprise Linux 7
perl-XML-LibXML
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | perl-XML-LibXML | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | perl-XML-LibXML | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | perl-XML-LibXML | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the versions of perl-XML-LibXML as shipped with Red Hat Enterprise Linux 5, 6 and 7. Red Hat Product Security has rated this issue as having Low security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Red Hat mitigation
This issue only affects programs using this program in forms such as: $parser = XML::LibXML->new or $XML_DOC = $parser->load_xml if you use the form: $XML_DOC = XML::LibXML->load_xml this vulnerability will not be exposed.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/A:N
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.98% (0.03985) | 90.18th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.01% (0.04013) | 89.20th | v5 (v2026.06.15) |
| May 13, 2026 | 3.36% (0.03365) | 87.47th | v4 (v2025.03.14) |
| Dec 28, 2025 | 4.98% (0.04979) | 89.34th | v4 (v2025.03.14) |
| Dec 27, 2025 | 3.36% (0.03365) | 87.04th | v4 (v2025.03.14) |
| Oct 28, 2025 | 4.98% (0.04979) | 89.18th | v4 (v2025.03.14) |
| Oct 27, 2025 | 3.36% (0.03365) | 86.86th | v4 (v2025.03.14) |
| Oct 1, 2025 | 4.98% (0.04979) | 89.27th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.50% (0.02499) | 83.94th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.31% (0.04309) | 81.13th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.50% (0.02499) | 84.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.19% (0.00191) | 57.80th | v3 (v2023.03.01) |
| Jun 15, 2024 | 0.21% (0.00205) | 58.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00205) | 56.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
References (16)
- http://advisories.mageia.org/MGASA-2015-0199.html x_refsource_CONFIRMThird Party Advisory
- http://cpansearch.perl.org/src/SHLOMIF/XML-LibXML-2.0119/Changes x_refsource_CONFIRMRelease NotesThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157448.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157740.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2015-09/msg00006.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://www.debian.org/security/2015/dsa-3243 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:231 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.openwall.com/lists/oss-security/2015/04/25/2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2015/04/30/1 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/74333 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2592-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2015-3451 Vendor Advisory
- https://bitbucket.org/shlomif/perl-xml-libxml/commits/5962fd067580767777e94640b129ae8930a68a30/raw/ x_refsource_CONFIRMVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1216112 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-3451
- https://www.cve.org/CVERecord?id=CVE-2015-3451
Change history (0)
No recorded changes yet.