vulnerability
Oracle Linux: CVE-2021-23995: ELSA-2021-1350: thunderbird security update (IMPORTANT) (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:H/Au:N/C:P/I:P/A:P) | Apr 19, 2021 | Apr 27, 2021 | Dec 3, 2025 |
Severity
5
CVSS
(AV:N/AC:H/Au:N/C:P/I:P/A:P)
Published
Apr 19, 2021
Added
Apr 27, 2021
Modified
Dec 3, 2025
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
oracle-linux-upgrade-firefoxoracle-linux-upgrade-thunderbird
Rapid7 Labs
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