Red Hat Security Advisory

RHSA-2021:2261

thunderbird security update

Released 2021-06-07 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux AppStream EUS (v. 8.2) thunderbird-78.11.0-1.el8_2

Fixes 3 records

TI-2021-10584 CVE-2021-29967 · GHSA-xcvm-2qxh-c4v3

Out-of-bounds write in Mozilla Thunderbird

MEDIUM 41

Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11.

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.01368 Published 2021-06-24 Partial fix · 78.11, 89 CWE-787

TI-2021-10574 CVE-2021-29957 · GHSA-5v9p-7pr9-r9pm

If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but…

LOW 22

If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are protected.

CVSS 3.1MEDIUM 4.3 Network No auth User interaction EPSS 0.0094 Published 2021-06-24 Partial fix · 78.10.2

TI-2021-10573 CVE-2021-29956 · GHSA-vxjm-jch6-9qr5

Cleartext storage of sensitive information in Mozilla Thunderbird

LOW 22

OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored unencrypted on the user's local disk.

CVSS 3.1MEDIUM 4.3 Network No auth User interaction EPSS 0.0081 Published 2021-06-24 Partial fix · 78.10.2 CWE-312