libxml2: Use after free triggered by XPointer paths beginning with range-to
Published Jul 23, 2016
8.8
HIGHCVSS 3.1
EPSS 2.25%
Description
Use-after-free vulnerability in libxml2 through 2.9.4, as used in Google Chrome before 52.0.2743.82, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the XPointer range-to function.
Affected products
No data.
Configuration 3
Configuration 4
- 14.04
- 16.04
Configuration 5
- 6.0
- 6.0
- 6.0
Configuration 6
Configuration 7
- 8.0
- 9.0
No data.
Red Hat Ansible Tower 3.5 for RHEL 7
ansible-tower-35/ansible-tower:3.5.6-1
Fixed · RHBA-2020:1539
Red Hat Ansible Tower 3.6 for RHEL 7
ansible-tower-36/ansible-tower:3.6.4-1
Fixed · RHBA-2020:1540
Red Hat Enterprise Linux 6 Supplementary
chromium-browser-0:52.0.2743.82-1.el6
Fixed · RHSA-2016:1485
Red Hat Enterprise Linux 7
libxml2-0:2.9.1-6.el7.4
Fixed · RHSA-2020:1190
Red Hat JBoss Core Services
n/a
Fixed · RHSA-2018:2486
Red Hat Enterprise Linux 5
libxml2
Will not fix
Red Hat Enterprise Linux 6
libxml2
Will not fix
Red Hat Enterprise Linux 8
libxml2
Not affected
Red Hat Enterprise Linux 8
mingw-libxml2
Affected
Red Hat JBoss Core Services
libxml2
Affected
Red Hat JBoss Enterprise Web Server 3
libxml2
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Ansible Tower 3.5 for RHEL 7 | ansible-tower-35/ansible-tower:3.5.6-1 | Fixed | RHBA-2020:1539 |
| Red Hat Ansible Tower 3.6 for RHEL 7 | ansible-tower-36/ansible-tower:3.6.4-1 | Fixed | RHBA-2020:1540 |
| Red Hat Enterprise Linux 6 Supplementary | chromium-browser-0:52.0.2743.82-1.el6 | Fixed | RHSA-2016:1485 |
| Red Hat Enterprise Linux 7 | libxml2-0:2.9.1-6.el7.4 | Fixed | RHSA-2020:1190 |
| Red Hat JBoss Core Services | n/a | Fixed | RHSA-2018:2486 |
| 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 8 | libxml2 | Not affected | n/a |
| Red Hat Enterprise Linux 8 | mingw-libxml2 | Affected | n/a |
| Red Hat JBoss Core Services | libxml2 | 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
This flaw in libxml2 requires exposing the library to XPath/XPointer expressions from an untrusted source, which is not common in practice for applications using libxml2. For libxml2, Red Hat Product Security has rated this vulnerability as Moderate severity.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Dec 4, 2025 · SSVC 2.0.3
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 (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.25% (0.02251) | 82.29th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.27% (0.02270) | 80.72th | v5 (v2026.06.15) |
| Mar 25, 2026 | 3.97% (0.03971) | 88.29th | v4 (v2025.03.14) |
| Mar 21, 2026 | 2.92% (0.02918) | 86.26th | v4 (v2025.03.14) |
| Nov 22, 2025 | 4.31% (0.04306) | 88.38th | v4 (v2025.03.14) |
| Nov 18, 2025 | 3.17% (0.03169) | 85.70th | v4 (v2025.03.14) |
| Jun 24, 2025 | 4.29% (0.04288) | 88.33th | v4 (v2025.03.14) |
| Jun 19, 2025 | 2.08% (0.02083) | 83.18th | v4 (v2025.03.14) |
| Mar 30, 2025 | 5.08% (0.05085) | 88.81th | v4 (v2025.03.14) |
| Mar 29, 2025 | 37.26% (0.37258) | 95.67th | v4 (v2025.03.14) |
| Mar 24, 2025 | 3.75% (0.03753) | 86.92th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.96% (0.04956) | 88.93th | v4 (v2025.03.14) |
| Dec 12, 2024 | 10.58% (0.10577) | 95.30th | v3 (v2023.03.01) |
| Mar 10, 2024 | 10.58% (0.10577) | 94.87th | v3 (v2023.03.01) |
| Nov 8, 2023 | 9.84% (0.09840) | 94.24th | v3 (v2023.03.01) |
| Oct 24, 2023 | 1.20% (0.01199) | 83.63th | v3 (v2023.03.01) |
| Aug 5, 2023 | 0.85% (0.00848) | 79.98th | v3 (v2023.03.01) |
| Jun 26, 2023 | 0.72% (0.00721) | 77.94th | v3 (v2023.03.01) |
| May 14, 2023 | 0.68% (0.00677) | 76.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.53% (0.00530) | 73.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.93% (0.03932) | 85.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.93% (0.03932) | 84.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.93% (0.03932) | 67.70th | v2 (v2022.01.01) |
References (29)
- http://googlechromereleases.blogspot.com/2016/07/stable-channel-update.html x_refsource_CONFIRM
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html vendor-advisoryx_refsource_APPLE
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.html vendor-advisoryx_refsource_APPLE
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00010.html vendor-advisoryx_refsource_APPLE
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00011.html vendor-advisoryx_refsource_APPLE
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00020.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00021.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00022.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00028.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2016-1485.html vendor-advisoryx_refsource_REDHAT
- http://www.debian.org/security/2016/dsa-3637 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/92053 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1036428 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id/1038623 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-3041-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2016-5131 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1358641 x_refsource_CONFIRMIssue Tracking
- https://codereview.chromium.org/2127493002 x_refsource_CONFIRM
- https://crbug.com/623378 x_refsource_CONFIRM
- https://googlechromereleases.blogspot.com/2016/07/stable-channel-update.html
- https://nvd.nist.gov/vuln/detail/CVE-2016-5131
- https://security.gentoo.org/glsa/201610-09 vendor-advisoryx_refsource_GENTOO
- https://security.gentoo.org/glsa/201701-37 vendor-advisoryx_refsource_GENTOO
- https://source.android.com/security/bulletin/2017-05-01 x_refsource_CONFIRM
- https://support.apple.com/HT207141 x_refsource_CONFIRM
- https://support.apple.com/HT207142 x_refsource_CONFIRM
- https://support.apple.com/HT207143 x_refsource_CONFIRM
- https://support.apple.com/HT207170 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2016-5131
Change history (0)
No recorded changes yet.