libxml2: Null pointer dereference in xmlSaveDoc implementation
Published Apr 11, 2017
5.5
MEDIUMCVSS 3.0
EPSS 2.63%
Description
libxml2 2.9.4, when used in recover mode, allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted XML document. NOTE: The maintainer states "I would disagree of a CVE with the Recover parsing option which should only be used for manual recovery at least for XML parser.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
libxml2
Will not fix
Red Hat Enterprise Linux 6
libxml2
Will not fix
Red Hat Enterprise Linux 7
libxml2
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| 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 7 | libxml2 | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Recovery mode is not intended for use with untrusted input. Users invoking xmllint --recover may experience a crash, but applications processing documents from possibly malicious sources should not be exposed to this flaw.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AV:N/AC:H/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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (38 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.63% (0.02630) | 84.99th | v5 (v2026.06.15) |
| Sep 22, 2026 | 2.63% (0.02630) | 84.85th | v5 (v2026.06.15) |
| Sep 21, 2026 | 5.34% (0.05345) | 92.31th | v5 (v2026.06.15) |
| Sep 6, 2026 | 2.63% (0.02630) | 84.52th | v5 (v2026.06.15) |
| Sep 5, 2026 | 5.34% (0.05345) | 92.15th | v5 (v2026.06.15) |
| Aug 30, 2026 | 2.63% (0.02630) | 84.43th | v5 (v2026.06.15) |
| Aug 28, 2026 | 5.34% (0.05345) | 92.10th | v5 (v2026.06.15) |
| Aug 24, 2026 | 2.63% (0.02630) | 84.34th | v5 (v2026.06.15) |
| Aug 23, 2026 | 5.34% (0.05345) | 92.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.63% (0.02630) | 83.48th | v5 (v2026.06.15) |
| Feb 4, 2026 | 2.71% (0.02710) | 85.55th | v4 (v2025.03.14) |
| Feb 1, 2026 | 1.61% (0.01612) | 81.48th | v4 (v2025.03.14) |
| Jan 4, 2026 | 2.71% (0.02710) | 85.48th | v4 (v2025.03.14) |
| Jan 1, 2026 | 1.46% (0.01456) | 80.48th | v4 (v2025.03.14) |
| Dec 4, 2025 | 2.71% (0.02710) | 85.42th | v4 (v2025.03.14) |
| Dec 1, 2025 | 1.61% (0.01612) | 81.30th | v4 (v2025.03.14) |
| Nov 21, 2025 | 2.71% (0.02710) | 85.40th | v4 (v2025.03.14) |
| Nov 18, 2025 | 1.00% (0.01004) | 75.09th | v4 (v2025.03.14) |
| Nov 4, 2025 | 2.71% (0.02710) | 85.38th | v4 (v2025.03.14) |
| Nov 1, 2025 | 1.61% (0.01612) | 81.24th | v4 (v2025.03.14) |
| Oct 4, 2025 | 2.71% (0.02710) | 85.37th | v4 (v2025.03.14) |
| Oct 1, 2025 | 1.61% (0.01612) | 81.20th | v4 (v2025.03.14) |
| Sep 4, 2025 | 2.71% (0.02710) | 85.37th | v4 (v2025.03.14) |
| Sep 1, 2025 | 1.61% (0.01612) | 81.13th | v4 (v2025.03.14) |
| Aug 5, 2025 | 2.71% (0.02710) | 85.33th | v4 (v2025.03.14) |
| Aug 1, 2025 | 1.61% (0.01612) | 81.09th | v4 (v2025.03.14) |
| Jul 5, 2025 | 3.50% (0.03505) | 87.10th | v4 (v2025.03.14) |
| Jul 1, 2025 | 2.09% (0.02094) | 83.31th | v4 (v2025.03.14) |
| Jun 19, 2025 | 3.50% (0.03505) | 87.07th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.90% (0.01896) | 82.00th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.59% (0.00589) | 78.99th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.38% (0.00378) | 72.13th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.38% (0.00378) | 69.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.37% (0.00371) | 68.31th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | 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 | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.94% (0.01943) | 0.00th | v1 |
References (10)
- http://www.openwall.com/lists/oss-security/2016/11/05/3 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/13/1 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/96188 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-5969 Vendor Advisory
- https://bugzilla.gnome.org/show_bug.cgi?id=778519 x_refsource_MISCIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1421996 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2022/04/msg00004.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2017-5969
- https://security.gentoo.org/glsa/201711-01 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2017-5969
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/11/05/3 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2017/02/13/1 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/96188 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-5969 | Vendor Advisory | |
| https://bugzilla.gnome.org/show_bug.cgi?id=778519 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1421996 | Issue Tracking | |
| https://lists.debian.org/debian-lts-announce/2022/04/msg00004.html | mailing-listx_refsource_MLIST | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-5969 | ||
| https://security.gentoo.org/glsa/201711-01 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2017-5969 |
Change history (0)
No recorded changes yet.