| Name | CVE-2021-23958 | 
| Description | The browser could have been confused into transferring a screen sharing state into another tab, which would leak unintended information. This vulnerability affects Firefox < 85. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|---|---|---|
| firefox (PTS) | sid | 144.0.2-1 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|---|---|---|---|---|---|
| firefox | source | (unstable) | 85.0-1 | 
https://www.mozilla.org/en-US/security/advisories/mfsa2021-03/#CVE-2021-23958