libxml2: Out-of-bounds memory access
Published Nov 18, 2015
4.3
MEDIUMCVSS 2.0
EPSS 3.06%
Description
libxml2 2.9.2 does not properly stop parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and libxml2 crash) via crafted XML data to the (1) xmlParseEntityDecl or (2) xmlParseConditionalSections function in parser.c, as demonstrated by non-terminated entities.
Affected products
No data.
Configuration 1
- 12.04
- 14.04
- 15.04
No data.
Red Hat Enterprise Linux 6
libxml2-0:2.7.6-20.el6_7.1
Fixed · RHSA-2015:2549
Red Hat Enterprise Linux 7
libxml2-0:2.9.1-6.el7_2.2
Fixed · RHSA-2015:2550
Red Hat JBoss Web Server 3.0
libxml2
Fixed · RHSA-2016:1089
Red Hat Enterprise Linux 4
libxml2
Will not fix
Red Hat Enterprise Linux 5
libxml2
Will not fix
Red Hat JBoss Enterprise Web Server 2
libxml2
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | libxml2-0:2.7.6-20.el6_7.1 | Fixed | RHSA-2015:2549 |
| Red Hat Enterprise Linux 7 | libxml2-0:2.9.1-6.el7_2.2 | Fixed | RHSA-2015:2550 |
| Red Hat JBoss Web Server 3.0 | libxml2 | Fixed | RHSA-2016:1089 |
| Red Hat Enterprise Linux 4 | libxml2 | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | libxml2 | Will not fix | n/a |
| Red Hat JBoss Enterprise Web Server 2 | libxml2 | Will not fix | 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.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.06% (0.03058) | 87.14th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.07% (0.03069) | 85.88th | v5 (v2026.06.15) |
| Mar 6, 2026 | 0.55% (0.00545) | 67.42th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.71% (0.01712) | 80.66th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.13% (0.05131) | 82.70th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.71% (0.01712) | 81.11th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00207) | 59.57th | v3 (v2023.03.01) |
| Jul 6, 2023 | 0.21% (0.00207) | 57.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00190) | 54.75th | 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 (26)
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177341.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177381.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html vendor-advisoryx_refsource_SUSE
- http://marc.info/?l=bugtraq&m=145382616617563&w=2 vendor-advisoryx_refsource_HP
- http://rhn.redhat.com/errata/RHSA-2015-2549.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2015-2550.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2016-1089.html vendor-advisoryx_refsource_REDHAT
- http://www.debian.org/security/2015/dsa-3430 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2015/10/22/5 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2015/10/22/8 mailing-listx_refsource_MLIST
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/74241 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1034243 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2812-1 vendor-advisoryx_refsource_UBUNTU
- http://xmlsoft.org/news.html x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2015-7941 Vendor Advisory
- https://bugzilla.gnome.org/show_bug.cgi?id=744980 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1274222 Issue Tracking
- https://git.gnome.org/browse/libxml2/commit/?id=9b8512337d14c8ddf662fcb98b0135f225a1c489 x_refsource_CONFIRM
- https://git.gnome.org/browse/libxml2/commit/?id=a7dfab7411cbf545f359dd3157e5df1eb0e7ce31 x_refsource_CONFIRM
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2015-7941
- https://security.gentoo.org/glsa/201701-37 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2015-7941
Change history (0)
No recorded changes yet.