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Red Hat Security Advisory

RHSA-2020:0565

thunderbird security update

Released 2020-02-20 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 6 records

TI-2020-05510 CVE-2020-6800 · GHSA-qjg6-3pj8-cqgj

Out-of-bounds write in Mozilla Thunderbird

Priority MEDIUM 42

Mozilla developers and community members reported memory safety bugs present in Firefox 72 and Firefox ESR 68.4.

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.02263 Published 2020-03-02 Partial fix · 68.5, 73 +1 CWE-787
Priority LOW 32

When processing an email message with an ill-formed envelope, Thunderbird could read data from a random memory location.

CVSS 3.1MEDIUM 6.5 Network No auth User interaction EPSS 0.01511 Published 2020-03-02 Partial fix · 68.5 CWE-908
Priority LOW 31

If a template tag was used in a select tag, the parser could be confused and allow JavaScript parsing and execution when it should not be allowed.

CVSS 3.1MEDIUM 6.1 Network No auth User interaction EPSS 0.02046 Published 2020-03-02 Partial fix · 68.5, 73 +1 CWE-79
Priority LOW 31

When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash.

CVSS 3.1MEDIUM 6.5 Network No auth User interaction EPSS 0.01305 Published 2020-03-02 Partial fix · 68.5 CWE-476
Priority LOW 31

If a user saved passwords before Thunderbird 60 and then later set a master password, an unencrypted copy of these passwords is still accessible.

CVSS 3.1MEDIUM 6.5 Network No auth User interaction EPSS 0.01016 Published 2020-03-02 Partial fix · 68.5 CWE-312
Priority LOW 23

When deriving an identifier for an email message, uninitialized memory was used in addition to the message contents.

CVSS 3.1MEDIUM 4.3 Network No auth User interaction EPSS 0.01332 Published 2020-03-02 Partial fix · 68.5 CWE-908