CVE-2016-1833: Medium severity iphone os vulnerability

Published May 20, 2016
·
Updated

A vulnerability was found in the libxml2 library. A maliciously crafted file could cause the application to crash due to a heap-based out-of-bounds memory read.

References:

https://bugzilla.gnome.org/showbug.cgi?id=758606

Upstream fix:

https://git.gnome.org/browse/libxml2/commit/?id=0bcd05c5cd83dec3406c8f68b769b1d610c72f76

Other sources

The htmlCurrentChar function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted XML document.

Affected Software

31 affected componentsFixes available
debian/libxml2
2.9.4+dfsg1-7+deb10u42.9.4+dfsg1-7+deb10u62.9.10+dfsg-6.7+deb11u42.9.14+dfsg-1.3~deb12u12.9.14+dfsg-1.3
Apple iPhone OS<9.3.2
Apple iOS and macOS<10.11.5
Apple tvOS<9.2.1
Apple WatchOS<2.2.1
Debian Debian Linux=8.0
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=15.10
Canonical Ubuntu Linux=16.04
redhat Enterprise Linux Desktop=6.0
redhat Enterprise Linux Desktop=7.0
redhat Enterprise Linux Server=6.0
redhat Enterprise Linux Server=7.0
redhat Enterprise Linux Server Aus=7.2
redhat Enterprise Linux Server Aus=7.3
redhat Enterprise Linux Server Aus=7.4
redhat Enterprise Linux Server Aus=7.6
redhat Enterprise Linux Server Eus=7.2
redhat Enterprise Linux Server Eus=7.3
redhat Enterprise Linux Server Eus=7.4
redhat Enterprise Linux Server Eus=7.5
redhat Enterprise Linux Server Eus=7.6
redhat Enterprise Linux Server Tus=7.2
redhat Enterprise Linux Server Tus=7.3
redhat Enterprise Linux Server Tus=7.6
redhat Enterprise Linux Workstation=6.0
redhat Enterprise Linux Workstation=7.0
Xmlsoft Libxml2<2.9.4
McAfee Web Gateway>=7.5.0.0<=7.5.2.10
McAfee Web Gateway>7.6.0.0<=7.6.2.3

Event History

May 20, 2016
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
May 23, 2016
Data Sourced
via Red Hat·09:27 AM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2016-1833?

CVE-2016-1833 has been classified as a moderate severity vulnerability due to potential crashes caused by heap-based out-of-bounds memory reads.

2

How do I fix CVE-2016-1833?

To fix CVE-2016-1833, upgrade libxml2 to version 2.9.4+dfsg1-7+deb10u4 or higher based on your operating system.

3

Which software versions are affected by CVE-2016-1833?

CVE-2016-1833 affects various software versions including libxml2 before 2.9.5, and it targets several operating systems including Debian, Ubuntu, and macOS.

4

Can CVE-2016-1833 be exploited remotely?

Yes, CVE-2016-1833 can be exploited remotely if a user interacts with a maliciously crafted XML file.

5

What type of attack can CVE-2016-1833 facilitate?

CVE-2016-1833 can facilitate denial of service attacks by causing applications to crash.

Contact

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