Synopsis

Important: thunderbird security update

Type/Severity

Security Advisory: Important

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions.

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 68.5.0.

Security Fix(es):

• Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5 (CVE-2020-6800)
  
• Mozilla: Out-of-bounds read when processing certain email messages (CVE-2020-6793)
  
• Mozilla: Setting a master password post-Thunderbird 52 does not delete unencrypted previously stored passwords (CVE-2020-6794)
  
• Mozilla: Crash processing S/MIME messages with multiple signatures (CVE-2020-6795)
  
• Mozilla: Incorrect parsing of template tag could result in JavaScript injection (CVE-2020-6798)
  
• Mozilla: Message ID calculation was based on uninitialized data (CVE-2020-6792)
  

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 Server (for IBM Power LE) - Update Services for SAP Solutions 8.0 ppc64le
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.0 x86_64

Fixes

• BZ - 1801918 - CVE-2020-6798 Mozilla: Incorrect parsing of template tag could result in JavaScript injection
• BZ - 1801920 - CVE-2020-6800 Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5
• BZ - 1801955 - CVE-2020-6793 Mozilla: Out-of-bounds read when processing certain email messages
• BZ - 1801956 - CVE-2020-6794 Mozilla: Setting a master password post-Thunderbird 52 does not delete unencrypted previously stored passwords
• BZ - 1801957 - CVE-2020-6795 Mozilla: Crash processing S/MIME messages with multiple signatures
• BZ - 1801958 - CVE-2020-6792 Mozilla: Message ID calculation was based on uninitialized data

CVEs

• CVE-2020-6792
• CVE-2020-6793
• CVE-2020-6794
• CVE-2020-6795
• CVE-2020-6798
• CVE-2020-6800

References

• https://access.redhat.com/security/updates/classification/#important
• https://www.mozilla.org/en-US/security/advisories/mfsa2020-07/

Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.0

SRPM
thunderbird-68.5.0-1.el8_0.src.rpm	SHA-256: f88d753f94b64fbaab8c68710cecaca81fcc0fa5d1fff8f55ec10f2ff4e3b0b8
ppc64le
thunderbird-68.5.0-1.el8_0.ppc64le.rpm	SHA-256: 51134ff4e086511dd5e0ca95ea7530ea4debff7ae5e5aa47299a36031c58919a
thunderbird-debuginfo-68.5.0-1.el8_0.ppc64le.rpm	SHA-256: 6f28f4b4c20dbc1bcedbbcbb8399eb7ad04230570192f697b65bbe520e1a527d
thunderbird-debugsource-68.5.0-1.el8_0.ppc64le.rpm	SHA-256: efbd948be398fd4476ff17d08c33ba17327101203c8db8645e46943a2896eadd

Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.0

SRPM
thunderbird-68.5.0-1.el8_0.src.rpm	SHA-256: f88d753f94b64fbaab8c68710cecaca81fcc0fa5d1fff8f55ec10f2ff4e3b0b8
x86_64
thunderbird-68.5.0-1.el8_0.x86_64.rpm	SHA-256: 235ebe376701fee14fe6d650c6cf7a991070d3d05363dc623a5f3a6dc3c726fd
thunderbird-debuginfo-68.5.0-1.el8_0.x86_64.rpm	SHA-256: 807a603260cd3f1b2a1e1333aed92f135aea56204a086c8c5118a364f71450b3
thunderbird-debugsource-68.5.0-1.el8_0.x86_64.rpm	SHA-256: 33e41f4adbbe534260ddc87e85d143604c0d14838134e36487bd4b0f9027576b