vulnerability
Amazon Linux AMI 2: CVE-2021-23995: Security patch for thunderbird (ALAS-2021-1644)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:H/Au:N/C:P/I:P/A:P) | May 26, 2021 | May 26, 2021 | Sep 30, 2022 |
Severity
5
CVSS
(AV:N/AC:H/Au:N/C:P/I:P/A:P)
Published
May 26, 2021
Added
May 26, 2021
Modified
Sep 30, 2022
Description
When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
Solutions
amazon-linux-ami-2-upgrade-thunderbirdamazon-linux-ami-2-upgrade-thunderbird-debuginfo
Rapid7 Labs
2026 Global Threat Landscape Report
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