CVE-2016-5273: High severity firefox vulnerability

Published Sep 20, 2016
·
Updated

A potentially exploitable crash in accessibility.

Other sources

The mozilla::a11y::HyperTextAccessible::GetChildOffset function in the accessibility implementation in Mozilla Firefox before 49.0 allows remote attackers to execute arbitrary code via a crafted web site.

Launchpad

Affected Software

4 affected componentsFixes available
Mozilla Firefox<49
49
Mozilla Firefox<=48.0.2
debian/firefox
137.0-1
debian/firefox-esr
115.14.0esr-1~deb11u1128.9.0esr-1~deb11u1128.8.0esr-1~deb12u1128.9.0esr-1~deb12u1128.9.0esr-2

Event History

Sep 20, 2016
CVE Published
12:00 AM
Sep 22, 2016
CVE Published
via MITRE·10:00 PM
Data Sourced
via MITRE·10:00 PM
Description
Jan 11, 2024
Data Sourced
via Launchpad·10:20 PM
Description
Sep 24, 2024
Data Sourced
via Ubuntu·01:12 AM
RemedyDescriptionSeverityAffected Software
Mar 31, 2025
Data Sourced
via Debian·03:26 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is CVE-2016-5273?

CVE-2016-5273 is a vulnerability in Mozilla Firefox that allows remote attackers to execute arbitrary code via a crafted web site.

2

What is the severity of CVE-2016-5273?

The severity of CVE-2016-5273 is high (8.8).

3

How does CVE-2016-5273 affect Mozilla Firefox?

CVE-2016-5273 affects Mozilla Firefox versions up to and excluding version 49.0.

4

How do I fix CVE-2016-5273 in Mozilla Firefox?

To fix CVE-2016-5273 in Mozilla Firefox, update to version 49.0 or later.

5

Where can I find more information about CVE-2016-5273?

You can find more information about CVE-2016-5273 on the Mozilla Bugzilla page (https://bugzilla.mozilla.org/show_bug.cgi?id=1280387) and the Mozilla security advisories (https://www.mozilla.org/en-US/security/advisories/mfsa2016-85/ and http://www.mozilla.org/security/announce/2016/mfsa2016-85.html).

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