CVE-2015-8710

Name: CVE-2015-8710
Creator: NVD / NIST
Published: 2016-04-11T21:59:15.667+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.79%

Last modified Jun 17, 2026

CVE-2015-8710 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 4.79% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

4.79%

90.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Xmlsoft	Libxml2	< 2.9.3
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0

References

http://rhn.redhat.com/errata/RHSA-2016-1089.htmlThird Party Advisory
http://www.debian.org/security/2015/dsa-3430Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/04/19/4Mailing List, Patch
http://www.openwall.com/lists/oss-security/2015/09/13/1Mailing List
http://www.openwall.com/lists/oss-security/2015/12/31/7Mailing List
http://www.securityfocus.com/bid/79811Third Party Advisory, VDB Entry
https://bugzilla.gnome.org/show_bug.cgi?id=746048Issue Tracking
https://git.gnome.org/browse/libxml2/commit/?id=e724879d964d774df9b7969fc846605aa1bac54cThird Party Advisory
https://hackerone.com/reports/57125#activity-384861Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1089.htmlThird Party Advisory
http://www.debian.org/security/2015/dsa-3430Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/04/19/4Mailing List, Patch
http://www.openwall.com/lists/oss-security/2015/09/13/1Mailing List
http://www.openwall.com/lists/oss-security/2015/12/31/7Mailing List
http://www.securityfocus.com/bid/79811Third Party Advisory, VDB Entry
https://bugzilla.gnome.org/show_bug.cgi?id=746048Issue Tracking
https://git.gnome.org/browse/libxml2/commit/?id=e724879d964d774df9b7969fc846605aa1bac54cThird Party Advisory
https://hackerone.com/reports/57125#activity-384861Third Party Advisory

Timeline

Published: Apr 11, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-8710?

How severe is CVE-2015-8710?

CVE-2015-8710 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.79% probability of exploitation in the next 30 days.

How do I fix CVE-2015-8710?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-8710?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST