CVE-2015-8710

Publication date 23 December 2015

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libxml2	15.10 wily	Fixed 2.9.2+zdfsg1-4ubuntu0.3
	15.04 vivid	Fixed 2.9.2+dfsg1-3ubuntu0.3
	14.04 LTS trusty	Fixed 2.9.1+dfsg1-3ubuntu4.7
	12.04 LTS precise	Fixed 2.7.8.dfsg-5.1ubuntu4.14

Notes

jdstrand

these missed OTA9 in vivid/stable-phone-overlay and should be included in OTA9.5 via https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/stable-snapshot/+packages these landed in rc-proposed r385 on krillin: http://people.canonical.com/~lzemczak/landing-team/ubuntu-touch/rc-proposed/ubuntu/krillin/385.commitlog

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libxml2	Upstream: ?id=e72

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-2875-1
libxml2 vulnerabilities
19 January 2016