libxml2: Infinite loop caused by incorrect error detection during LZMA decompression
Published Aug 16, 2018
6.5
MEDIUMCVSS 3.0
EPSS 4.30%
Description
libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035 and CVE-2018-9251.
Affected products
No data.
Configuration 2
- 14.04
- 16.04
- 18.04
- 8.0
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 7
libxml2-0:2.9.1-6.el7.4
Fixed · RHSA-2020:1190
Red Hat Enterprise Linux 5
libxml2
Not affected
Red Hat Enterprise Linux 6
libxml2
Not affected
Red Hat Enterprise Linux 8
libxml2
Not affected
Red Hat Enterprise Linux 8
mingw-libxml2
Not affected
Red Hat JBoss Core Services
libxml2
Not affected
Red Hat Virtualization 4
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 7 | libxml2-0:2.9.1-6.el7.4 | Fixed | RHSA-2020:1190 |
| Red Hat Enterprise Linux 5 | libxml2 | Not affected | n/a |
| Red Hat Enterprise Linux 6 | libxml2 | Not affected | n/a |
| Red Hat Enterprise Linux 8 | libxml2 | Not affected | n/a |
| Red Hat Enterprise Linux 8 | mingw-libxml2 | Not affected | n/a |
| Red Hat JBoss Core Services | libxml2 | Not affected | n/a |
| Red Hat Virtualization 4 | libxml2 | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security has rated this flaw as having Low impact. A future update may address this issue.
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:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
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
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 (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.30% (0.04300) | 90.83th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.30% (0.04300) | 89.83th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.32% (0.00319) | 51.87th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.23% (0.04232) | 80.95th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.32% (0.00319) | 52.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.72% (0.00724) | 81.31th | v3 (v2023.03.01) |
| Mar 11, 2024 | 0.72% (0.00724) | 80.17th | v3 (v2023.03.01) |
| Jan 7, 2024 | 0.79% (0.00793) | 79.65th | v3 (v2023.03.01) |
| Sep 14, 2023 | 1.31% (0.01313) | 84.30th | v3 (v2023.03.01) |
| Aug 10, 2023 | 1.30% (0.01302) | 84.16th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.55% (0.01548) | 85.07th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.94% (0.01943) | 48.45th | v1 |
| Jan 6, 2022 | 1.94% (0.01943) | 47.92th | v1 |
| Sep 1, 2021 | 1.94% (0.01943) | 76.51th | v1 |
| Apr 14, 2021 | 1.94% (0.01943) | 0.00th | v1 |
References (9)
- http://www.securityfocus.com/bid/105198 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-14567 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1619875 Issue Tracking
- https://gitlab.gnome.org/GNOME/libxml2/commit/2240fbf5912054af025fb6e01e26375100275e74 x_refsource_CONFIRMPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html mailing-listx_refsource_MLISTThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2018-14567
- https://usn.ubuntu.com/3739-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-14567
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105198 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-14567 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1619875 | Issue Tracking | |
| https://gitlab.gnome.org/GNOME/libxml2/commit/2240fbf5912054af025fb6e01e26375100275e74 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html | mailing-listx_refsource_MLISTThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html | mailing-listx_refsource_MLIST | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-14567 | ||
| https://usn.ubuntu.com/3739-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-14567 |
Change history (0)
No recorded changes yet.