Vulnerabilities > Mozilla > Firefox > 21.0

DATE CVE VULNERABILITY TITLE RISK
2021-02-26 CVE-2021-23963 Improper Preservation of Permissions vulnerability in Mozilla Firefox
When sharing geolocation during an active WebRTC share, Firefox could have reset the webRTC sharing state in the user interface, leading to loss of control over the currently granted permission.
network
mozilla CWE-281
4.3
2021-02-26 CVE-2021-23962 Unspecified vulnerability in Mozilla Firefox
Incorrect use of the '<RowCountChanged>' method could have led to a user-after-poison and a potentially exploitable crash.
network
mozilla
6.8
2021-02-26 CVE-2021-23961 Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine.
network
mozilla debian
4.3
2021-02-26 CVE-2021-23960 Unspecified vulnerability in Mozilla Firefox
Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash.
network
mozilla
6.8
2021-02-26 CVE-2021-23958 Exposure of Resource to Wrong Sphere vulnerability in Mozilla Firefox
The browser could have been confused into transferring a screen sharing state into another tab, which would leak unintended information.
network
mozilla CWE-668
4.3
2021-02-26 CVE-2021-23956 Unspecified vulnerability in Mozilla Firefox
An ambiguous file picker design could have confused users who intended to select and upload a single file into uploading a whole directory.
network
mozilla
4.3
2021-02-26 CVE-2021-23955 Improper Restriction of Rendered UI Layers or Frames vulnerability in Mozilla Firefox
The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks.
network
mozilla CWE-1021
4.3
2021-02-26 CVE-2021-23954 Type Confusion vulnerability in Mozilla Firefox
Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash.
network
mozilla CWE-843
6.8
2021-02-26 CVE-2021-23953 Unspecified vulnerability in Mozilla Firefox
If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data.
network
mozilla
4.3
2021-02-26 CVE-2021-23975 Missing Authorization vulnerability in Mozilla Firefox
The developer page about:memory has a Measure function for exploring what object types the browser has allocated and their sizes.
network
mozilla CWE-862
4.3