First published: Tue Jan 26 2021(Updated: )
Mozilla developers reported memory safety bugs present in Firefox 84. 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 < 85.
Credit: security@mozilla.org
Affected Software | Affected Version | How to fix |
---|---|---|
Firefox | <85 | 85 |
Firefox | <85.0 |
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1670378%2C1673555%2C1676812%2C1678582%2C1684497
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(Found alongside the following vulnerabilities)
CVE-2021-23965 is classified as a critical vulnerability due to potential memory corruption leading to arbitrary code execution.
To address CVE-2021-23965, update Firefox to version 85 or newer.
CVE-2021-23965 affects all versions of Firefox prior to version 85.
Yes, CVE-2021-23965 has the potential to be exploited remotely if a user visits a malicious webpage.
Exploiting CVE-2021-23965 could allow an attacker to execute arbitrary code on the affected system.