RHSA-2021:5045: Red Hat Security Advisory: thunderbird security update

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Issued:

2021-12-09

Updated:

2021-12-09

RHSA-2021:5045 - Security Advisory

• Overview
• Updated Packages

Synopsis

Important: thunderbird security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 91.4.0.

Security Fix(es):

• Mozilla: Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4 (BZ#2030116)
• Mozilla: URL leakage when navigating while executing asynchronous function (CVE-2021-43536)
• Mozilla: Heap buffer overflow when using structured clone (CVE-2021-43537)
• Mozilla: Missing fullscreen and pointer lock notification when requesting both (CVE-2021-43538)
• Mozilla: GC rooting failure when calling wasm instance methods (CVE-2021-43539)
• Mozilla: External protocol handler parameters were unescaped (CVE-2021-43541)
• Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler (CVE-2021-43542)
• Mozilla: Bypass of CSP sandbox directive when embedding (CVE-2021-43543)
• Mozilla: JavaScript unexpectedly enabled for the composition area (CVE-2021-43528)
• Mozilla: Denial of Service when using the Location API in a loop (CVE-2021-43545)
• Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed (CVE-2021-43546)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

All running instances of Thunderbird must be restarted for the update to take effect.

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64

Fixes

• BZ - 2030105 - CVE-2021-43536 Mozilla: URL leakage when navigating while executing asynchronous function
• BZ - 2030106 - CVE-2021-43537 Mozilla: Heap buffer overflow when using structured clone
• BZ - 2030109 - CVE-2021-43538 Mozilla: Missing fullscreen and pointer lock notification when requesting both
• BZ - 2030110 - CVE-2021-43539 Mozilla: GC rooting failure when calling wasm instance methods
• BZ - 2030111 - CVE-2021-43541 Mozilla: External protocol handler parameters were unescaped
• BZ - 2030112 - CVE-2021-43542 Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler
• BZ - 2030113 - CVE-2021-43543 Mozilla: Bypass of CSP sandbox directive when embedding
• BZ - 2030114 - CVE-2021-43545 Mozilla: Denial of Service when using the Location API in a loop
• BZ - 2030115 - CVE-2021-43546 Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed
• BZ - 2030116 - Mozilla: Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4
• BZ - 2030137 - CVE-2021-43528 Mozilla: JavaScript unexpectedly enabled for the composition area

CVEs

• CVE-2021-43528
• CVE-2021-43536
• CVE-2021-43537
• CVE-2021-43538
• CVE-2021-43539
• CVE-2021-43541
• CVE-2021-43542
• CVE-2021-43543
• CVE-2021-43545
• CVE-2021-43546

Red Hat Enterprise Linux for x86_64 8

SRPM

thunderbird-91.4.0-2.el8_5.src.rpm

SHA-256: dbec68b9ffed0ab446d8b456d0e442046e79a5f28506e42d2a96a4e1d897f3f9

x86_64

thunderbird-91.4.0-2.el8_5.x86_64.rpm

SHA-256: b978b73123f5d8da3be89c70afaffe497ee8fb015d126903383ef75a1bcaa205

thunderbird-debuginfo-91.4.0-2.el8_5.x86_64.rpm

SHA-256: b5e919f38cf35b643224de5becd8aad24852d9d5c910c399370137ee16f9ea97

thunderbird-debugsource-91.4.0-2.el8_5.x86_64.rpm

SHA-256: d3a8ed038f6306619582af54824bdf07127bfca12a06601c1559c979dd5deb7b

Red Hat Enterprise Linux for IBM z Systems 8

SRPM

thunderbird-91.4.0-2.el8_5.src.rpm

SHA-256: dbec68b9ffed0ab446d8b456d0e442046e79a5f28506e42d2a96a4e1d897f3f9

s390x

thunderbird-91.4.0-2.el8_5.s390x.rpm

SHA-256: cbbe8f7e1a67a0a32fa495196cf30b18e1020f11af54cc2a434b555faa660d94

thunderbird-debuginfo-91.4.0-2.el8_5.s390x.rpm

SHA-256: 0aeb8386dcf0a725781dd4c2af8c8347b258e63f4a89001df17c032df2e02f11

thunderbird-debugsource-91.4.0-2.el8_5.s390x.rpm

SHA-256: fd837e53e165e835fe6590d501caf35d4bc982b6acb2e3262ecced5c1191aca5

Red Hat Enterprise Linux for Power, little endian 8

SRPM

thunderbird-91.4.0-2.el8_5.src.rpm

SHA-256: dbec68b9ffed0ab446d8b456d0e442046e79a5f28506e42d2a96a4e1d897f3f9

ppc64le

thunderbird-91.4.0-2.el8_5.ppc64le.rpm

SHA-256: 07937311a6c4881fa263bc3573ad53ce9113cebf18010a42ecfbf50dc0dd8761

thunderbird-debuginfo-91.4.0-2.el8_5.ppc64le.rpm

SHA-256: 54d43b5fb68273e9d47840e43470f2682cbeb79ccf432f4fa5d427a92086b9d3

thunderbird-debugsource-91.4.0-2.el8_5.ppc64le.rpm

SHA-256: 582a4870d1963182428928bd3587111545e424debcd87466f47fbf621e2314fc

Red Hat Enterprise Linux for ARM 64 8

SRPM

thunderbird-91.4.0-2.el8_5.src.rpm

SHA-256: dbec68b9ffed0ab446d8b456d0e442046e79a5f28506e42d2a96a4e1d897f3f9

aarch64

thunderbird-91.4.0-2.el8_5.aarch64.rpm

SHA-256: 0539cfeab1e648c38c4bae6ddf75967cac849b34e6b667b860a52f509b7356a2

thunderbird-debuginfo-91.4.0-2.el8_5.aarch64.rpm

SHA-256: 368d19cd0fdb16f9ead69342b18956da2e064a26614b9728b86ee784a34dec82

thunderbird-debugsource-91.4.0-2.el8_5.aarch64.rpm

SHA-256: f2342774a94526b45694ce12cfb761a899105a931fe062139f2d4a90cde054e1

The Red Hat security contact is [email protected]. More contact details at https://access.redhat.com/security/team/contact/.