CVE-2018-5103: Use After Free
Published Jan 23, 2018
·Updated
A use-after-free vulnerability can occur during mouse event handling due to issues with multiprocess support. This results in a potentially exploitable crash.
Affected Software
25 affected componentsFixes available
Mozilla Thunderbird<52.6
52.6
Mozilla Firefox<58
58
Mozilla Firefox ESR<52.6
52.6
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=7.4
redhat Enterprise Linux Server Eus=7.4
redhat Enterprise Linux Server Eus=7.5
redhat Enterprise Linux Workstation=6.0
redhat Enterprise Linux Workstation=7.0
Mozilla Firefox<58.0
Mozilla Firefox ESR<52.6.0
Mozilla Thunderbird<52.6.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=17.10
Mozilla Firefox<52.6.0
debian/firefox
147.0.4-1
debian/firefox-esr
115.14.0esr-1~deb11u1140.7.0esr-1~deb11u1128.14.0esr-1~deb12u1140.7.0esr-1~deb12u1140.4.0esr-1~deb13u1140.7.0esr-1~deb13u1140.7.0esr-1
debian/thunderbird
1:115.12.0-1~deb11u11:140.7.1esr-1~deb11u11:140.6.0esr-1~deb12u11:140.7.1esr-1~deb12u11:140.6.0esr-1~deb13u11:140.7.1esr-1~deb13u11:140.7.1esr-1
Event History
Jan 23, 2018
CVE Published
12:00 AM
Data Sourced
via Red Hat·11:18 PM
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·11:05 PM
Description
Feb 20, 2026
Data Sourced
via Ubuntu·12:46 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·12:47 AM
DescriptionAffected Software
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2018-5095
- CVE-2018-5096
- CVE-2018-5097
- CVE-2018-5098
- CVE-2018-5099
- CVE-2018-5102
- CVE-2018-5103
- CVE-2018-5104
- CVE-2018-5117
- CVE-2018-5089
- CVE-2018-5091
- CVE-2018-5092
- CVE-2018-5093
- CVE-2018-5094
- CVE-2018-5100
- CVE-2018-5101
- CVE-2018-5105
- CVE-2018-5106
- CVE-2018-5107
- CVE-2018-5108
- CVE-2018-5109
- CVE-2018-5110
- CVE-2018-5111
- CVE-2018-5112
- CVE-2018-5113
- CVE-2018-5114
- CVE-2018-5115
- CVE-2018-5116
- CVE-2018-5118
- CVE-2018-5119
- CVE-2018-5121
- CVE-2018-5122
- CVE-2018-5090
Frequently Asked Questions
1
What is the CVE ID of this vulnerability?
The CVE ID of this vulnerability is CVE-2018-5103.
2
What is the severity of CVE-2018-5103?
The severity of CVE-2018-5103 is critical with a CVSS score of 9.8.
3
Which software versions are affected by CVE-2018-5103?
CVE-2018-5103 affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
4
How does CVE-2018-5103 occur?
CVE-2018-5103 can occur during mouse event handling due to issues with multiprocess support.
5
Are there any fixes available for CVE-2018-5103?
Yes, the remedy for CVE-2018-5103 is to update to Firefox version 58 or higher.