9.8
CRITICAL CVSS 3.1
CVE-2015-8710
"Libxml2 HTML Comment Injection Vulnerability"
Description

The htmlParseComment function in HTMLparser.c in libxml2 allows attackers to obtain sensitive information, cause a denial of service (out-of-bounds heap memory access and application crash), or possibly have unspecified other impact via an unclosed HTML comment.

INFO

Published Date :

April 11, 2016, 9:59 p.m.

Last Modified :

April 12, 2025, 10:46 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2015-8710 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Xmlsoft libxml2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
Solution
To address the libxml2 vulnerability, update and patch the affected packages.
  • Update the libxml2 packages to a non-vulnerable version.
  • Apply vendor-provided patches for the affected software.
Public PoC/Exploit Available at Github

CVE-2015-8710 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2015-8710.

URL Resource
http://rhn.redhat.com/errata/RHSA-2016-1089.html Third Party Advisory
http://www.debian.org/security/2015/dsa-3430 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/04/19/4 Mailing List Patch
http://www.openwall.com/lists/oss-security/2015/09/13/1 Mailing List
http://www.openwall.com/lists/oss-security/2015/12/31/7 Mailing List
http://www.securityfocus.com/bid/79811 Third Party Advisory VDB Entry
https://bugzilla.gnome.org/show_bug.cgi?id=746048 Issue Tracking
https://git.gnome.org/browse/libxml2/commit/?id=e724879d964d774df9b7969fc846605aa1bac54c Third Party Advisory
https://hackerone.com/reports/57125#activity-384861 Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1089.html Third Party Advisory
http://www.debian.org/security/2015/dsa-3430 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/04/19/4 Mailing List Patch
http://www.openwall.com/lists/oss-security/2015/09/13/1 Mailing List
http://www.openwall.com/lists/oss-security/2015/12/31/7 Mailing List
http://www.securityfocus.com/bid/79811 Third Party Advisory VDB Entry
https://bugzilla.gnome.org/show_bug.cgi?id=746048 Issue Tracking
https://git.gnome.org/browse/libxml2/commit/?id=e724879d964d774df9b7969fc846605aa1bac54c Third Party Advisory
https://hackerone.com/reports/57125#activity-384861 Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-8710 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Windows/Linux reproducer

CMake C

Updated: 2 years, 2 months ago
1 stars 0 fork 0 watcher
Born at : March 17, 2016, 10:32 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-8710 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-8710 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2016-1089.html
    Added Reference http://www.debian.org/security/2015/dsa-3430
    Added Reference http://www.openwall.com/lists/oss-security/2015/04/19/4
    Added Reference http://www.openwall.com/lists/oss-security/2015/09/13/1
    Added Reference http://www.openwall.com/lists/oss-security/2015/12/31/7
    Added Reference http://www.securityfocus.com/bid/79811
    Added Reference https://bugzilla.gnome.org/show_bug.cgi?id=746048
    Added Reference https://git.gnome.org/browse/libxml2/commit/?id=e724879d964d774df9b7969fc846605aa1bac54c
    Added Reference https://hackerone.com/reports/57125#activity-384861
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Feb. 26, 2020

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2016-1089.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2016-1089.html Third Party Advisory
    Changed Reference Type http://www.debian.org/security/2015/dsa-3430 No Types Assigned http://www.debian.org/security/2015/dsa-3430 Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2015/04/19/4 Patch http://www.openwall.com/lists/oss-security/2015/04/19/4 Mailing List, Patch
    Changed Reference Type http://www.openwall.com/lists/oss-security/2015/09/13/1 No Types Assigned http://www.openwall.com/lists/oss-security/2015/09/13/1 Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2015/12/31/7 No Types Assigned http://www.openwall.com/lists/oss-security/2015/12/31/7 Mailing List
    Changed Reference Type http://www.securityfocus.com/bid/79811 No Types Assigned http://www.securityfocus.com/bid/79811 Third Party Advisory, VDB Entry
    Changed Reference Type https://bugzilla.gnome.org/show_bug.cgi?id=746048 No Types Assigned https://bugzilla.gnome.org/show_bug.cgi?id=746048 Issue Tracking
    Changed Reference Type https://git.gnome.org/browse/libxml2/commit/?id=e724879d964d774df9b7969fc846605aa1bac54c No Types Assigned https://git.gnome.org/browse/libxml2/commit/?id=e724879d964d774df9b7969fc846605aa1bac54c Third Party Advisory
    Changed Reference Type https://hackerone.com/reports/57125#activity-384861 No Types Assigned https://hackerone.com/reports/57125#activity-384861 Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* OR *cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* versions up to (excluding) 2.9.3
    Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 30, 2016

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2016-1089.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 19, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2015/04/19/4 No Types Assigned http://www.openwall.com/lists/oss-security/2015/04/19/4 Patch
    Added CWE CWE-119
  • Initial Analysis by [email protected]

    Apr. 13, 2016

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

4.71 }} -0.03%

score

0.88902

percentile