CVE-2016-4447

moderate-risk

Published 2016-06-09

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.

Do I need to act?

2.1% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (16)

Icewall Federation Agent

Ubuntu Linux

Debian Linux

Vm Server

Iphone Os

Mac Os X

Tvos

Watchos

Libxml2

Web Gateway

Itunes

Affected Vendors

Canonical Hp Mcafee Apple Xmlsoft Oracle Debian

References (54)

Mailing List http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html

Mailing List http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html

Mailing List http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html

Mailing List http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html

Mailing List http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html

Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-2957.html

Mailing List http://www.openwall.com/lists/oss-security/2016/05/25/2

Third Party Advisory http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html

Third Party Advisory http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.h...

Third Party Advisory http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htm...

Third Party Advisory http://www.securityfocus.com/bid/90864

Third Party Advisory http://www.securitytracker.com/id/1036348

Exploit http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slack...

Third Party Advisory http://www.ubuntu.com/usn/USN-2994-1

Release Notes http://xmlsoft.org/news.html

Third Party Advisory https://access.redhat.com/errata/RHSA-2016:1292

Patch https://git.gnome.org/browse/libxml2/commit/?id=00906759053986b8079985644172085f...

Third Party Advisory https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c...

Patch https://kc.mcafee.com/corporate/index?page=content&id=SB10170

Third Party Advisory https://support.apple.com/HT206899

and 34 more references

/ 100

moderate-risk

Severity 26/34 · High

Exploitability 5/34 · Minimal

Exposure 18/34 · Moderate