CVE-2018-5092: Use After Free
A use-after-free vulnerability can occur when the thread for a Web Worker is freed from memory prematurely instead of from memory in the main thread while cancelling fetch operations.
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2018-5091
- CVE-2018-5092
- CVE-2018-5093
- CVE-2018-5094
- CVE-2018-5095
- CVE-2018-5097
- CVE-2018-5098
- CVE-2018-5099
- CVE-2018-5100
- CVE-2018-5101
- CVE-2018-5102
- CVE-2018-5103
- CVE-2018-5104
- 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-2018-5117
- CVE-2018-5118
- CVE-2018-5119
- CVE-2018-5121
- CVE-2018-5122
- CVE-2018-5090
- CVE-2018-5089
Frequently Asked Questions
What is CVE-2018-5092?
CVE-2018-5092 is a use-after-free vulnerability in Firefox < 58 that occurs when the thread for a Web Worker is freed from memory prematurely.
How does CVE-2018-5092 affect Firefox?
CVE-2018-5092 affects Firefox versions lower than 58.
What is the severity of CVE-2018-5092?
CVE-2018-5092 has a severity rating of 9.8, which is considered critical.
How can I fix CVE-2018-5092?
To fix CVE-2018-5092, users should update their Firefox browser to version 58 or higher.
Where can I find more information about CVE-2018-5092?
You can find more information about CVE-2018-5092 on the following references: [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1418074), [Mozilla Security Advisories](https://www.mozilla.org/en-US/security/advisories/mfsa2018-02/), [SecurityFocus](http://www.securityfocus.com/bid/102786).