Vulnerabilities > Mozilla > Firefox

DATE CVE VULNERABILITY TITLE RISK
2021-12-08 CVE-2021-43542 Information Exposure Through an Error Message vulnerability in multiple products
Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols.
network
low complexity
mozilla debian CWE-209
6.5
2021-12-08 CVE-2021-43543 Cross-site Scripting vulnerability in multiple products
Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content.
network
low complexity
mozilla debian CWE-79
6.1
2021-12-08 CVE-2021-43544 Cross-site Scripting vulnerability in Mozilla Firefox
When receiving a URL through a SEND intent, Firefox would have searched for the text, but subsequent usages of the address bar might have caused the URL to load unintentionally, which could lead to XSS and spoofing attacks.
network
low complexity
mozilla CWE-79
6.1
2021-12-08 CVE-2021-43545 Excessive Iteration vulnerability in multiple products
Using the Location API in a loop could have caused severe application hangs and crashes.
network
low complexity
mozilla debian CWE-834
6.5
2021-12-08 CVE-2021-43546 Improper Restriction of Rendered UI Layers or Frames vulnerability in multiple products
It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.
network
low complexity
mozilla debian CWE-1021
4.3
2021-11-03 CVE-2021-29991 HTTP Request Smuggling vulnerability in Mozilla Thunderbird
Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers.
network
low complexity
mozilla CWE-444
8.1
2021-11-03 CVE-2021-29993 Unspecified vulnerability in Mozilla Firefox
Firefox for Android allowed navigations through the `intent://` protocol, which could be used to cause crashes and UI spoofs.
network
low complexity
mozilla
8.1
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
low complexity
mozilla
6.5
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