CVE-2021-38494: High severity firefox vulnerability
Mozilla developers Christian Holler and Lars T Hansen reported memory safety bugs present in Firefox 91. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.
Other sources
Mozilla developers reported memory safety bugs present in Firefox 91. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 92.
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2021-38494?
CVE-2021-38494 is classified as a high severity vulnerability due to its potential for memory corruption leading to arbitrary code execution.
How do I fix CVE-2021-38494?
To mitigate CVE-2021-38494, update Mozilla Firefox to version 92 or later.
What versions of Firefox are affected by CVE-2021-38494?
CVE-2021-38494 affects all versions of Mozilla Firefox prior to version 92.
Can CVE-2021-38494 be exploited remotely?
Yes, CVE-2021-38494 could potentially be exploited remotely if a user visits a malicious web page.
What type of vulnerability is CVE-2021-38494?
CVE-2021-38494 is a memory safety vulnerability that can lead to memory corruption.