CVE-2018-5150: Buffer Overflow
Last updated 25 August 2025
Other sources
Memory safety bugs were reported in Firefox 59, Firefox ESR 52.7, and Thunderbird 52.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.
— Launchpad
Mozilla developers and community members Christoph Diehl, Randell Jesup, Tyson Smith, Alex Gaynor, Ronald Crane, Julian Hector, Kannan Vijayan, and Jason Kratzer reported memory safety bugs present in Firefox 59 and Firefox ESR 52.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code.
— Mozilla
Mozilla developers and community members Christoph Diehl, Randell Jesup, Tyson Smith, Alex Gaynor, Ronald Crane, Julian Hector, Kannan Vijayan, and Jason Kratzer reported memory safety bugs present in Firefox 59, Firefox ESR 52.7, and Thunderbird 52.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code.
— Mozilla
Mozilla developers and community members reported memory safety bugs present in Firefox 59 and Firefox ESR 52.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code.
External Reference:
https://www.mozilla.org/en-US/security/advisories/mfsa2018-12/#CVE-2018-5150
— Red Hat
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2018-5183
- CVE-2018-5184
- CVE-2018-5154
- CVE-2018-5155
- CVE-2018-5159
- CVE-2018-5161
- CVE-2018-5162
- CVE-2018-5170
- CVE-2018-5168
- CVE-2018-5174
- CVE-2018-5178
- CVE-2018-5185
- CVE-2018-5150
- CVE-2018-5157
- CVE-2018-5158
- CVE-2018-5160
- CVE-2018-5152
- CVE-2018-5153
- CVE-2018-5163
- CVE-2018-5164
- CVE-2018-5166
- CVE-2018-5167
- CVE-2018-5169
- CVE-2018-5172
- CVE-2018-5173
- CVE-2018-5175
- CVE-2018-5176
- CVE-2018-5177
- CVE-2018-5165
- CVE-2018-5180
- CVE-2018-5181
- CVE-2018-5182
- CVE-2018-5179
- CVE-2018-5151
Frequently Asked Questions
What is the severity of CVE-2018-5150?
CVE-2018-5150 is classified as a critical vulnerability due to its potential to allow arbitrary code execution.
How do I fix CVE-2018-5150?
To mitigate CVE-2018-5150, update Firefox ESR to version 52.8, Thunderbird to version 52.8, or Firefox to version 60.
Which products are affected by CVE-2018-5150?
CVE-2018-5150 affects Firefox 59, Firefox ESR 52.7, and Thunderbird 52.7.
Can CVE-2018-5150 lead to memory corruption?
Yes, CVE-2018-5150 has shown evidence of memory corruption which could be exploited.
What action should users of affected software take regarding CVE-2018-5150?
Users should update their affected Mozilla products immediately to the specified remedied versions to address CVE-2018-5150.