CRITICAL
libxml2: Incorrect limit used for port values
Published Feb 19, 2018
9.8
CRITICALCVSS 3.0
EPSS 23.29%
Description
Buffer overflow in libxml2 allows remote attackers to execute arbitrary code by leveraging an incorrect limit for port values when handling redirects.
Affected products
No data.
Configuration 2
Configuration 3
OR
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 5
libxml2
Not affected
Red Hat Enterprise Linux 6
libxml2
Not affected
Red Hat Enterprise Linux 7
libxml2
Not affected
Red Hat Enterprise Linux 8
libxml2
Not affected
Red Hat Enterprise Linux 8
mingw-libxml2
Not affected
Red Hat Enterprise Virtualization 3
mingw-virt-viewer
Not affected
Red Hat JBoss Core Services
libxml2
Not affected
Red Hat JBoss Web Server 3
libxml2
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | libxml2 | Not affected | n/a |
| Red Hat Enterprise Linux 6 | libxml2 | Not affected | n/a |
| Red Hat Enterprise Linux 7 | 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 Enterprise Virtualization 3 | mingw-virt-viewer | Not affected | n/a |
| Red Hat JBoss Core Services | libxml2 | Not affected | n/a |
| Red Hat JBoss Web Server 3 | libxml2 | Not affected | 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.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
1 other source (Red Hat) ▾
5.9 MEDIUM Red Hat
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
23.29% 0.23286
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.23286
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 (31 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 23.29% (0.23286) | 97.72th | v5 (v2026.06.15) |
| Aug 23, 2026 | 22.68% (0.22681) | 97.60th | v5 (v2026.06.15) |
| Jun 15, 2026 | 24.14% (0.24139) | 97.56th | v5 (v2026.06.15) |
| Nov 21, 2025 | 38.43% (0.38432) | 97.06th | v4 (v2025.03.14) |
| Nov 18, 2025 | 62.21% (0.62214) | 98.33th | v4 (v2025.03.14) |
| Sep 5, 2025 | 38.43% (0.38432) | 97.15th | v4 (v2025.03.14) |
| Mar 30, 2025 | 39.54% (0.39544) | 97.01th | v4 (v2025.03.14) |
| Mar 29, 2025 | 46.09% (0.46094) | 96.51th | v4 (v2025.03.14) |
| Mar 28, 2025 | 39.54% (0.39544) | 97.00th | v4 (v2025.03.14) |
| Mar 27, 2025 | 46.09% (0.46094) | 97.21th | v4 (v2025.03.14) |
| Mar 20, 2025 | 39.54% (0.39544) | 97.04th | v4 (v2025.03.14) |
| Mar 19, 2025 | 46.09% (0.46094) | 97.27th | v4 (v2025.03.14) |
| Mar 17, 2025 | 39.54% (0.39544) | 96.97th | v4 (v2025.03.14) |
| Dec 17, 2024 | 10.09% (0.10092) | 94.90th | v3 (v2023.03.01) |
| Apr 16, 2024 | 34.14% (0.34139) | 97.02th | v3 (v2023.03.01) |
| Jan 30, 2024 | 41.65% (0.41648) | 96.98th | v3 (v2023.03.01) |
| Dec 30, 2023 | 48.04% (0.48038) | 97.17th | v3 (v2023.03.01) |
| Sep 15, 2023 | 56.72% (0.56722) | 97.27th | v3 (v2023.03.01) |
| Aug 22, 2023 | 61.73% (0.61728) | 97.37th | v3 (v2023.03.01) |
| Jul 13, 2023 | 68.29% (0.68291) | 97.49th | v3 (v2023.03.01) |
| May 31, 2023 | 73.79% (0.73794) | 97.62th | v3 (v2023.03.01) |
| Mar 20, 2023 | 78.64% (0.78643) | 97.69th | v3 (v2023.03.01) |
| Mar 7, 2023 | 82.11% (0.82112) | 97.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.91% (0.06908) | 92.19th | v2 (v2022.01.01) |
| Nov 16, 2022 | 6.91% (0.06908) | 91.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.73% (0.06729) | 90.78th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.73% (0.06729) | 78.90th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.52% (0.01515) | 33.36th | v1 |
| Jan 6, 2022 | 1.52% (0.01515) | 32.66th | v1 |
| Sep 1, 2021 | 1.52% (0.01515) | 72.56th | v1 |
| Apr 14, 2021 | 1.52% (0.01515) | 0.00th | v1 |
Weaknesses (2)
References (10)
- http://www.securityfocus.com/bid/98877 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038623 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-7376 Vendor Advisory
- https://android.googlesource.com/platform/external/libxml2/+/51e0cb2e5ec18eaf6fb331bc573ff27b743898f4 x_refsource_CONFIRMPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1462216 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://git.gnome.org/browse/libxml2/commit/?id=5dca9eea1bd4263bfa4d037ab2443de1cd730f7e x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-7376
- https://source.android.com/security/bulletin/2017-06-01 x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-7376
- https://www.debian.org/security/2017/dsa-3952 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/98877 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1038623 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-7376 | Vendor Advisory | |
| https://android.googlesource.com/platform/external/libxml2/+/51e0cb2e5ec18eaf6fb331bc573ff27b743898f4 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1462216 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://git.gnome.org/browse/libxml2/commit/?id=5dca9eea1bd4263bfa4d037ab2443de1cd730f7e | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-7376 | ||
| https://source.android.com/security/bulletin/2017-06-01 | x_refsource_CONFIRMThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2017-7376 | ||
| https://www.debian.org/security/2017/dsa-3952 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 19, 2018
Updated Aug 5, 2024
Reserved Mar 31, 2017
Link CVE-2017-7376
CISA Vulnrichment
Updated n/a