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 78.3.1.

Security Fix(es):

• Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3 (CVE-2020-15673)
  
• Mozilla: XSS when pasting attacker-controlled data into a contenteditable element (CVE-2020-15676)
  
• Mozilla: Download origin spoofing via redirect (CVE-2020-15677)
  
• Mozilla: When recursing through layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free scenario (CVE-2020-15678)
  

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 - 1881664 - CVE-2020-15677 Mozilla: Download origin spoofing via redirect
• BZ - 1881665 - CVE-2020-15676 Mozilla: XSS when pasting attacker-controlled data into a contenteditable element
• BZ - 1881666 - CVE-2020-15678 Mozilla: When recursing through layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free scenario
• BZ - 1881667 - CVE-2020-15673 Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3

CVEs

• CVE-2020-15673
• CVE-2020-15676
• CVE-2020-15677
• CVE-2020-15678

References

• https://access.redhat.com/security/updates/classification/#important

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

SRPM
thunderbird-78.3.1-1.el8_0.src.rpm	SHA-256: 8077f277e73c90e125be646f8484de80b749c3d964726276bdeb9ae0b5989fb5
ppc64le
thunderbird-78.3.1-1.el8_0.ppc64le.rpm	SHA-256: 97abf858bd9ddade6ab46d40dea7bbcc933d27f936943c120cde7a2c6c6df00a
thunderbird-debuginfo-78.3.1-1.el8_0.ppc64le.rpm	SHA-256: 59f6da3acf16660fe4bb0ed98fcc5f814d8939c0da521a24edc400bc9b189a1d
thunderbird-debugsource-78.3.1-1.el8_0.ppc64le.rpm	SHA-256: 5510ab1b6430f40a3a76837f321f83a084789e5279a38647acad99447ab21fd4

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

SRPM
thunderbird-78.3.1-1.el8_0.src.rpm	SHA-256: 8077f277e73c90e125be646f8484de80b749c3d964726276bdeb9ae0b5989fb5
x86_64
thunderbird-78.3.1-1.el8_0.x86_64.rpm	SHA-256: 915a19b89575f9ebba46e967af69dac381aaff739f2d882657eee0505bbc8c24
thunderbird-debuginfo-78.3.1-1.el8_0.x86_64.rpm	SHA-256: 6584de689fb2c792722c28f53def6eecce66e1bf3373f56d86cfe133fa903fef
thunderbird-debugsource-78.3.1-1.el8_0.x86_64.rpm	SHA-256: e678f8ed27b867f1cdd6c3e64806c47b68a20137717772f63feac6a4554fc5f9