CVE-2016-1762: Buffer Overflow

Published Mar 24, 2016
·
Updated

A vulnerability was found in the libxml2 library. A heap-based buffer overread could happen in xmlNextChar.

References:

https://bugzilla.gnome.org/showbug.cgi?id=759671

Upstream fix:

https://git.gnome.org/browse/libxml2/commit/?id=a7a94612aa3b16779e2c74e1fa353b5d9786c602

Other sources

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.

Affected Software

32 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 Safari<9.1
Apple iPhone OS<9.3
Apple iOS and macOS<10.11.4
Apple tvOS<9.2
Apple WatchOS<2.2
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
Xmlsoft Libxml2<2.9.4
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
McAfee Web Gateway<=7.5.2.10
McAfee Web Gateway>7.5.2.11<=7.6.2.3

Event History

Mar 24, 2016
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 AM
Description
Data Sourced
via NVD·01:59 AM
RemedyDescriptionSeverityWeaknessAffected Software
May 23, 2016
Data Sourced
via Red Hat·10:03 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2016-1762?

CVE-2016-1762 is considered a moderate severity vulnerability due to the potential for heap-based buffer overreads.

2

How do I fix CVE-2016-1762?

To fix CVE-2016-1762, update the libxml2 library to a version that is patched, such as 2.9.4+dfsg1-7+deb10u4 or later.

3

Which software versions are affected by CVE-2016-1762?

Affected software versions include certain versions of libxml2, Apple Safari, iOS, macOS, tvOS, and several versions of Red Hat and Ubuntu Linux.

4

Is CVE-2016-1762 exploitable remotely?

Yes, CVE-2016-1762 can be exploited remotely if the application utilizing the libxml2 library processes untrusted XML data.

5

What type of attack does CVE-2016-1762 facilitate?

CVE-2016-1762 facilitates potential attacks that may result in information disclosure or application crashes through buffer overreads.

Contact

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