libxml2: Use after free in xmlXPathCompOpEvalPositionalPredicate() function in xpath.c
Published Aug 28, 2018
8.8
HIGHCVSS 3.0
EPSS 2.94%
Description
Use after free in libxml2 before 2.9.5, as used in Google Chrome prior to 63.0.3239.84 and other products, allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Affected products
- Vendor n/a Product Google Chrome prior to 63.0.3239.84 unknown Defaultn/a
- Version Google Chrome prior to 63.0.3239.84 unknownStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Google Chrome prior to 63.0.3239.84 unknown | n/a |
|
Configuration 1
- 6.0
- 6.0
- 6.0
Configuration 2
- 7.0
- 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-0:63.0.3239.84-1.el6_9
Fixed · RHSA-2017:3401
Red Hat Enterprise Linux 7
libxml2-0:2.9.1-6.el7.4
Fixed · RHSA-2020:1190
Red Hat JBoss Core Services
libxml2
Fixed · RHSA-2018:0287
Red Hat Enterprise Linux 6
libxml2
Out of support scope
Red Hat Enterprise Linux 8
libxml2
Not affected
Red Hat Enterprise Linux 8
mingw-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-0:63.0.3239.84-1.el6_9 | Fixed | RHSA-2017:3401 |
| Red Hat Enterprise Linux 7 | libxml2-0:2.9.1-6.el7.4 | Fixed | RHSA-2020:1190 |
| Red Hat JBoss Core Services | libxml2 | Fixed | RHSA-2018:0287 |
| Red Hat Enterprise Linux 6 | libxml2 | Out of support scope | 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 Enterprise Web Server 3 | 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.
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.
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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (34 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.94% (0.02938) | 86.63th | v5 (v2026.06.15) |
| Sep 22, 2026 | 2.94% (0.02938) | 86.51th | v5 (v2026.06.15) |
| Sep 21, 2026 | 4.17% (0.04168) | 90.47th | v5 (v2026.06.15) |
| Sep 6, 2026 | 2.94% (0.02938) | 86.21th | v5 (v2026.06.15) |
| Sep 5, 2026 | 4.17% (0.04168) | 90.25th | v5 (v2026.06.15) |
| Aug 30, 2026 | 2.94% (0.02938) | 86.13th | v5 (v2026.06.15) |
| Aug 28, 2026 | 4.17% (0.04168) | 90.19th | v5 (v2026.06.15) |
| Aug 24, 2026 | 2.94% (0.02938) | 86.05th | v5 (v2026.06.15) |
| Aug 23, 2026 | 4.17% (0.04168) | 90.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.96% (0.02963) | 85.40th | v5 (v2026.06.15) |
| Mar 6, 2026 | 1.99% (0.01991) | 83.38th | v4 (v2025.03.14) |
| Nov 19, 2025 | 3.64% (0.03640) | 86.67th | v4 (v2025.03.14) |
| Nov 18, 2025 | 1.96% (0.01957) | 82.03th | v4 (v2025.03.14) |
| Jun 24, 2025 | 3.48% (0.03481) | 87.04th | v4 (v2025.03.14) |
| Jun 19, 2025 | 1.68% (0.01681) | 81.35th | v4 (v2025.03.14) |
| Apr 15, 2025 | 3.40% (0.03398) | 86.67th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.26% (0.06259) | 89.96th | v4 (v2025.03.14) |
| Mar 29, 2025 | 45.63% (0.45625) | 96.48th | v4 (v2025.03.14) |
| Mar 24, 2025 | 4.64% (0.04639) | 88.26th | v4 (v2025.03.14) |
| Mar 22, 2025 | 6.10% (0.06102) | 89.94th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.59% (0.04588) | 88.50th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.14% (0.02136) | 89.68th | v3 (v2023.03.01) |
| Mar 23, 2024 | 2.14% (0.02136) | 89.03th | v3 (v2023.03.01) |
| Nov 8, 2023 | 2.33% (0.02333) | 88.55th | v3 (v2023.03.01) |
| Aug 22, 2023 | 1.52% (0.01525) | 85.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.24% (0.01237) | 83.30th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.78% (0.01776) | 76.86th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.78% (0.01776) | 76.81th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.78% (0.01776) | 74.78th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.78% (0.01776) | 53.99th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.08% (0.01081) | 28.73th | v1 |
| Jan 6, 2022 | 1.08% (0.01081) | 28.11th | v1 |
| Sep 1, 2021 | 1.08% (0.01081) | 65.10th | v1 |
| Apr 14, 2021 | 1.08% (0.01081) | 0.00th | v1 |
References (17)
- http://www.securitytracker.com/id/1040348 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/errata/RHSA-2017:3401 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2018:0287 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-15412 Vendor Advisory
- https://bugzilla.gnome.org/show_bug.cgi?id=783160 x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1523128 Issue Tracking
- https://chromereleases.googleblog.com/2017/12/stable-channel-update-for-desktop.html x_refsource_MISC
- https://crbug.com/727039 x_refsource_MISC
- https://github.com/advisories/GHSA-r58r-74gx-6wx3 Advisory
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2017-15412.yml
- https://github.com/sparklemotion/nokogiri/issues/1714
- https://lists.debian.org/debian-lts-announce/2017/12/msg00014.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2017-15412
- https://security.gentoo.org/glsa/201801-03 vendor-advisoryx_refsource_GENTOO
- https://web.archive.org/web/20201208155618/http://www.securitytracker.com/id/1040348
- https://www.cve.org/CVERecord?id=CVE-2017-15412
- https://www.debian.org/security/2018/dsa-4086 vendor-advisoryx_refsource_DEBIAN
Change history (0)
No recorded changes yet.