Synopsis:          Important: thunderbird security update
Advisory ID:       SLSA-2021:0996-1
Issue Date:        2021-03-25
CVE Numbers:       CVE-2021-23981
                   CVE-2021-23982
                   CVE-2021-23984
                   CVE-2021-23987
--

This update upgrades Thunderbird to version 78.9.0.

Security Fix(es):

* Mozilla: Texture upload into an unbound backing buffer resulted in an
out-of-bound read (CVE-2021-23981)

* Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9
(CVE-2021-23987)

* Mozilla: Internal network hosts could have been probed by a malicious
webpage (CVE-2021-23982)

* Mozilla: Malicious extensions could have spoofed popup information
(CVE-2021-23984)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
--

- Scientific Linux Development Team

SciLinux: SLSA-2021-0996-1 Important: thunderbird on x86_64

This update upgrades Thunderbird to version 78.9.0

Summary

Important: thunderbird security update



Security Fixes

* Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read (CVE-2021-23981)
* Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9 (CVE-2021-23987)
* Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2021-23982)
* Mozilla: Malicious extensions could have spoofed popup information (CVE-2021-23984)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE
- Scientific Linux Development Team

Severity
Advisory ID: SLSA-2021:0996-1
Issued Date: : 2021-03-25
CVE Numbers: CVE-2021-23981
CVE-2021-23982
CVE-2021-23984

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