CVE-2015-8806

Name: CVE-2015-8806
Creator: NVD / NIST
Published: 2016-04-13T17:59:07.46+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 5.12%

Last modified Jun 17, 2026

CVE-2015-8806 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 5.12% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

5.12%

91.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Xmlsoft	Libxml2	< 2.9.4
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	15.10
Canonical	Ubuntu Linux	16.04
Debian	Debian Linux	8.0

References

http://www.openwall.com/lists/oss-security/2016/02/03/5Mailing List, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlThird Party Advisory
http://www.securityfocus.com/bid/82071Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2994-1Third Party Advisory
https://bugzilla.gnome.org/show_bug.cgi?id=749115Issue Tracking, Vendor Advisory
https://security.gentoo.org/glsa/201701-37Third Party Advisory
https://www.debian.org/security/2016/dsa-3593Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/03/5Mailing List, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlThird Party Advisory
http://www.securityfocus.com/bid/82071Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2994-1Third Party Advisory
https://bugzilla.gnome.org/show_bug.cgi?id=749115Issue Tracking, Vendor Advisory
https://security.gentoo.org/glsa/201701-37Third Party Advisory
https://www.debian.org/security/2016/dsa-3593Third Party Advisory

Timeline

Published: Apr 13, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-8806?

How severe is CVE-2015-8806?

CVE-2015-8806 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 5.12% probability of exploitation in the next 30 days.

How do I fix CVE-2015-8806?

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-2015-8806?

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

Scan your code now

Source: NVD / NIST