libxml2: heap-buffer overread in dict.c
Published Apr 13, 2016
7.5
HIGHCVSS 3.1
EPSS 4.96%
Description
dict.c in libxml2 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via an unexpected character immediately after the "<!DOCTYPE html" substring in a crafted HTML document.
Affected products
No data.
Configuration 2
- 12.04
- 14.04
- 15.10
- 16.04
Configuration 3
- 8.0
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
| 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 |
No package ranges for this CVE.
Remediation
Red Hat statement
This flaw was found to be a duplicate of CVE-2016-1839. Please see https://access.redhat.com/security/cve/CVE-2016-1839 for information about affected products and security errata.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.96% (0.04964) | 91.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.12% (0.05121) | 91.27th | v5 (v2026.06.15) |
| May 13, 2026 | 8.57% (0.08565) | 92.47th | v4 (v2025.03.14) |
| Dec 28, 2025 | 6.05% (0.06052) | 90.42th | v4 (v2025.03.14) |
| Dec 27, 2025 | 8.57% (0.08565) | 92.14th | v4 (v2025.03.14) |
| Oct 28, 2025 | 6.05% (0.06052) | 90.31th | v4 (v2025.03.14) |
| Oct 27, 2025 | 8.57% (0.08565) | 92.02th | v4 (v2025.03.14) |
| Oct 1, 2025 | 6.05% (0.06052) | 90.40th | v4 (v2025.03.14) |
| Jul 9, 2025 | 8.53% (0.08534) | 91.94th | v4 (v2025.03.14) |
| Jun 19, 2025 | 10.83% (0.10832) | 93.01th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.06% (0.02061) | 82.70th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.17% (0.02168) | 89.76th | v3 (v2023.03.01) |
| Sep 24, 2023 | 2.17% (0.02168) | 88.01th | v3 (v2023.03.01) |
| Jul 15, 2023 | 2.13% (0.02133) | 87.72th | v3 (v2023.03.01) |
| Apr 26, 2023 | 1.89% (0.01890) | 86.72th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.61% (0.01612) | 85.43th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (15)
- http://www.openwall.com/lists/oss-security/2016/02/03/5 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/82071 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2994-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2015-8806 Vendor Advisory
- https://bugzilla.gnome.org/show_bug.cgi?id=749115 x_refsource_MISCIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1304636 Issue Tracking
- https://github.com/advisories/GHSA-7hp2-xwpj-95jq Advisory
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2015-8806.yml
- https://github.com/sparklemotion/nokogiri/issues/1473
- https://nvd.nist.gov/vuln/detail/CVE-2015-8806
- https://security.gentoo.org/glsa/201701-37 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://web.archive.org/web/20160928171015/http://www.securityfocus.com/bid/82071
- https://www.cve.org/CVERecord?id=CVE-2015-8806
- https://www.debian.org/security/2016/dsa-3593 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.