CVE-2015-8806

Publication date 13 April 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libxml2	17.04 zesty	Not affected
	16.10 yakkety	Not affected
	16.04 LTS xenial	Fixed 2.9.3+dfsg1-1ubuntu0.1
	15.10 wily	Fixed 2.9.2+zdfsg1-4ubuntu0.4
	14.04 LTS trusty	Fixed 2.9.1+dfsg1-3ubuntu4.8
	12.04 LTS precise	Fixed 2.7.8.dfsg-5.1ubuntu4.15

Notes

mdeslaur

This is a dupe of CVE-2016-1839

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H