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Red Hat Security Advisory

RHSA-2021:0662

thunderbird security update

Released 2021-02-24 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 4 records

TI-2021-06299 CVE-2021-23978 · GHSA-3rjx-v36w-2rw5

Out-of-bounds write in Mozilla Firefox

Priority MEDIUM 41

Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7.

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.0153 Published 2021-02-26 Partial fix · 86, 78.8 CWE-787
Priority LOW 32

When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the content of that error may have revealed information about the resource.

CVSS 3.1MEDIUM 6.5 Network No auth User interaction EPSS 0.01368 Published 2021-02-26 Partial fix · 86, 78.8 CWE-209
Priority LOW 23

If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported in the violation report; as opposed to the original frame URI.

CVSS 3.1MEDIUM 4.3 Network No auth User interaction EPSS 0.01307 Published 2021-02-26 Partial fix · 86, 78.8 CWE-209