vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-38493): Firefox vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Sep 9, 2021 | Sep 10, 2021 | Aug 18, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Sep 9, 2021
Added
Sep 10, 2021
Modified
Aug 18, 2025
Description
Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.14, Thunderbird < 78.14, and Firefox < 92.
Solutions
ubuntu-upgrade-firefoxubuntu-upgrade-thunderbird
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