CVE-2017-8872

Publication date 10 May 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

The htmlParseTryOrFinish function in HTMLparser.c in libxml2 2.9.4 allows attackers to cause a denial of service (buffer over-read) or information disclosure.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libxml2	22.04 LTS jammy	Fixed 2.9.4+dfsg1-6.1ubuntu1
	21.10 impish	Fixed 2.9.4+dfsg1-6.1ubuntu1
	21.04 hirsute	Fixed 2.9.4+dfsg1-6.1ubuntu1
	20.10 groovy	Fixed 2.9.4+dfsg1-6.1ubuntu1
	20.04 LTS focal	Fixed 2.9.4+dfsg1-6.1ubuntu1
	19.10 eoan	Fixed 2.9.4+dfsg1-6.1ubuntu1
	19.04 disco	Fixed 2.9.4+dfsg1-6.1ubuntu1
	18.10 cosmic	Fixed 2.9.4+dfsg1-6.1ubuntu1
	18.04 LTS bionic	Fixed 2.9.4+dfsg1-6.1ubuntu1
	17.10 artful	Ignored end of life
	17.04 zesty	Ignored end of life
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Fixed 2.9.3+dfsg1-1ubuntu0.7+esm1 Ubuntu Pro
	14.04 LTS trusty	Fixed 2.9.1+dfsg1-3ubuntu4.13+esm2 Ubuntu Pro

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Notes

mdeslaur

fix debian used isn't the final upstream fix

Patch details

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

Package	Patch details
libxml2	Upstream: 123234f

Severity score breakdown

Parameter	Value
Base score	9.1 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H