Rapid7 Vulnerability & Exploit Database

MFSA2021-26 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.11 (CVE-2021-29964)

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

MFSA2021-26 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.11 (CVE-2021-29964)

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:P)
Published
06/03/2021
Created
06/04/2021
Added
06/04/2021
Modified
07/02/2021

Description

A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.

Solution(s)

  • mozilla-thunderbird-upgrade-78_11

References

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;