CVE-2016-4447

Public Exploit

Description

The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 5.47% Top 15%
Vendor Advisory slackware.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory ubuntu.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory redhat.com Vendor Advisory xmlsoft.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html third party advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10170 third party advisory patch
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.404722 mailing list exploit third party advisory vendor advisory
http://www.securityfocus.com/bid/90864 vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2016:1292 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2016/05/25/2 third party advisory mailing list
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html third party advisory
https://www.debian.org/security/2016/dsa-3593 third party advisory vendor advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html mailing list not applicable vendor advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html mailing list third party advisory vendor advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html mailing list third party advisory vendor advisory
http://xmlsoft.org/news.html release notes vendor advisory
https://support.apple.com/HT206901 third party advisory
http://www.ubuntu.com/usn/USN-2994-1 third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html third party advisory
https://git.gnome.org/browse/libxml2/commit/?id=00906759053986b8079985644172085f74331f83 third party advisory patch
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html mailing list third party advisory vendor advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html mailing list third party advisory vendor advisory
https://www.tenable.com/security/tns-2016-18 third party advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.html third party advisory vendor advisory
https://support.apple.com/HT206905 third party advisory
http://www.securitytracker.com/id/1036348 vdb entry third party advisory
https://support.apple.com/HT206903 third party advisory
https://support.apple.com/HT206902 third party advisory
https://support.apple.com/HT206904 third party advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709 third party advisory
https://support.apple.com/HT206899 third party advisory

Frequently Asked Questions

What is the severity of CVE-2016-4447?
CVE-2016-4447 has been scored as a high severity vulnerability.
How to fix CVE-2016-4447?
To fix CVE-2016-4447, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-4447 being actively exploited in the wild?
It is possible that CVE-2016-4447 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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