CVE-2018-5155: Use After Free

Published May 9, 2018
·
Updated

A use-after-free vulnerability can occur while adjusting layout during SVG animations with text paths. This results in a potentially exploitable crash.

Affected Software

28 affected componentsFixes available
Mozilla Thunderbird<52.8
52.8
Mozilla Firefox<60
60
Mozilla Firefox ESR<52.8
52.8
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
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=7.6
redhat Enterprise Linux Server Eus=7.5
redhat Enterprise Linux Server Eus=7.6
redhat Enterprise Linux Server Tus=7.6
redhat Enterprise Linux Workstation=6.0
redhat Enterprise Linux Workstation=7.0
Mozilla Firefox<60.0
Mozilla Firefox ESR<52.8.0
Mozilla Thunderbird<52.8.0
Mozilla Thunderbird ESR<52.8.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=17.10
Canonical Ubuntu Linux=18.04
Mozilla Firefox<52.8.0
debian/firefox
148.0-1
debian/firefox-esr
115.14.0esr-1~deb11u1140.7.0esr-1~deb11u1128.14.0esr-1~deb12u1140.8.0esr-1~deb12u1140.4.0esr-1~deb13u1140.8.0esr-1~deb13u1140.7.0esr-1140.8.0esr-1
debian/thunderbird
1:115.12.0-1~deb11u11:140.8.0esr-1~deb11u11:140.6.0esr-1~deb12u11:140.8.0esr-1~deb12u11:140.6.0esr-1~deb13u11:140.8.0esr-1~deb13u11:140.7.1esr-11:140.8.0esr-1

Event History

May 9, 2018
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Red Hat·07:12 AM
DescriptionSeverityAffected Software
Jun 11, 2018
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
DescriptionWeakness
Data Sourced
via NVD·09:29 PM
DescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:06 PM
Description
Nov 30, 2025
Data Sourced
via Ubuntu·06:17 PM
RemedyDescriptionSeverityAffected Software
Mar 1, 2026
Data Sourced
via Debian·12:57 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID of this vulnerability?

The vulnerability ID is CVE-2018-5155.

2

What is the severity of CVE-2018-5155?

The severity of CVE-2018-5155 is critical.

3

Which software versions are affected by CVE-2018-5155?

CVE-2018-5155 affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.

4

How can I fix CVE-2018-5155?

To fix CVE-2018-5155, update your software to Thunderbird 52.8 or later, Thunderbird ESR 52.8 or later, Firefox 60 or later, or Firefox ESR 52.8 or later.

5

Where can I find more information about CVE-2018-5155?

You can find more information about CVE-2018-5155 in the following references: [Link 1](https://bugzilla.mozilla.org/show_bug.cgi?id=1448774), [Link 2](https://www.mozilla.org/security/advisories/mfsa2018-11/), [Link 3](https://www.mozilla.org/security/advisories/mfsa2018-12/).

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