libxml2: Incorrect server side include parsing can lead to XSS
Published Jul 28, 2022
6.1
MEDIUMCVSS 3.1
EPSS 0.96%
Description
Possible cross-site scripting vulnerability in libxml after commit 960f0e2.
Affected products
- Vendor n/a Product Libxml2 Defaultn/a
- Version 2.9.xStatusaffectedConstraints-
- 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 | Libxml2 | n/a |
|
No data.
Red Hat Enterprise Linux 8
libxml2-0:2.9.7-15.el8
Fixed · RHSA-2022:7715
Red Hat Enterprise Linux 8
libxml2-0:2.9.7-15.el8
Fixed · RHSA-2022:7715
Red Hat Enterprise Linux 8.6 Extended Update Support
libxml2-0:2.9.7-13.el8_6.2
Fixed · RHSA-2023:4767
Red Hat Enterprise Linux 6
libxml2
Out of support scope
Red Hat Enterprise Linux 7
libxml2
Out of support scope
Red Hat Enterprise Linux 9
libxml2
Not affected
Red Hat JBoss Core Services
libxml2
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | libxml2-0:2.9.7-15.el8 | Fixed | RHSA-2022:7715 |
| Red Hat Enterprise Linux 8 | libxml2-0:2.9.7-15.el8 | Fixed | RHSA-2022:7715 |
| Red Hat Enterprise Linux 8.6 Extended Update Support | libxml2-0:2.9.7-13.el8_6.2 | Fixed | RHSA-2023:4767 |
| Red Hat Enterprise Linux 6 | libxml2 | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | libxml2 | Out of support scope | n/a |
| Red Hat Enterprise Linux 9 | libxml2 | Not affected | n/a |
| Red Hat JBoss Core Services | libxml2 | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat JBoss Core Services already included the flaw fixes when the CVE was published over the version of httpd 2.4.51.SP1 GA.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.96% (0.00956) | 60.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.75% (0.00749) | 49.91th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.10% (0.00100) | 25.37th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00079) | 35.83th | v3 (v2023.03.01) |
| May 3, 2024 | 0.08% (0.00079) | 33.37th | v3 (v2023.03.01) |
| Jan 8, 2024 | 0.08% (0.00076) | 31.17th | v3 (v2023.03.01) |
| Aug 4, 2023 | 0.07% (0.00067) | 27.68th | v3 (v2023.03.01) |
| Jun 28, 2023 | 0.05% (0.00053) | 18.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00046) | 13.98th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 23, 2023 | 0.89% (0.00885) | 27.85th | v2 (v2022.01.01) |
| Jul 29, 2022 | 0.89% (0.00885) | 25.82th | v2 (v2022.01.01) |
References (6)
- https://access.redhat.com/security/cve/CVE-2016-3709 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2112766 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2024/09/msg00021.html
- https://mail.gnome.org/archives/xml/2018-January/msg00010.html x_refsource_MISCExploitMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-3709
- https://www.cve.org/CVERecord?id=CVE-2016-3709
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2016-3709 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2112766 | Issue Tracking | |
| https://lists.debian.org/debian-lts-announce/2024/09/msg00021.html | ||
| https://mail.gnome.org/archives/xml/2018-January/msg00010.html | x_refsource_MISCExploitMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-3709 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-3709 |
Change history (0)
No recorded changes yet.