Vulnerabilities > Mozilla > Firefox > 21.0

DATE CVE VULNERABILITY TITLE RISK
2021-11-03 CVE-2021-38491 Unspecified vulnerability in Mozilla Firefox
Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded.
network
mozilla
4.3
2021-11-03 CVE-2021-38492 Unspecified vulnerability in Mozilla Firefox
When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode.
network
low complexity
mozilla
6.5
2021-11-03 CVE-2021-38493 Out-of-bounds Write vulnerability in Mozilla Firefox
Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13.
network
low complexity
mozilla CWE-787
8.8
2021-11-03 CVE-2021-38494 Out-of-bounds Write vulnerability in Mozilla Firefox
Mozilla developers reported memory safety bugs present in Firefox 91.
network
mozilla CWE-787
6.8
2021-11-03 CVE-2021-38496 Use After Free vulnerability in multiple products
During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash.
network
low complexity
mozilla debian CWE-416
8.8
2021-11-03 CVE-2021-38497 Origin Validation Error vulnerability in Mozilla Firefox
Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks.
network
mozilla CWE-346
4.3
2021-11-03 CVE-2021-38498 Use After Free vulnerability in Mozilla Firefox
During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash.
network
low complexity
mozilla CWE-416
5.0
2021-11-03 CVE-2021-38499 Out-of-bounds Write vulnerability in Mozilla Firefox
Mozilla developers reported memory safety bugs present in Firefox 92.
network
mozilla CWE-787
6.8
2021-11-03 CVE-2021-38500 Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1.
network
low complexity
mozilla debian
8.8
2021-11-03 CVE-2021-38501 Unspecified vulnerability in Mozilla Firefox
Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1.
network
mozilla
6.8