CVE-2018-5101: Use After Free
A use-after-free vulnerability can occur when manipulating floating "first-letter" style elements, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 58.
Other sources
A use-after-free vulnerability can occur when manipulating floating first-letter style elements, resulting in a potentially exploitable crash.
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-2018-5101?
CVE-2018-5101 is a use-after-free vulnerability that can occur when manipulating floating "first-letter" style elements, resulting in a potentially exploitable crash.
Which software is affected by CVE-2018-5101?
Firefox versions prior to 58 are affected by CVE-2018-5101.
What is the severity of CVE-2018-5101?
CVE-2018-5101 has a severity level of high (7).
How can I fix CVE-2018-5101?
To fix CVE-2018-5101, update your Mozilla Firefox browser to version 58 or later.
Where can I find more information about CVE-2018-5101?
You can find more information about CVE-2018-5101 on the Mozilla security advisory page: https://www.mozilla.org/security/advisories/mfsa2018-02/