CVE-2016-1762

Publication date 23 March 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The xmlNextChar function in libxml2 before 2.9.4 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted XML document.

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

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=a7a

Severity score breakdown

Parameter	Value
Base score	8.1 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-2994-1
libxml2 vulnerabilities
6 June 2016