vulnerability
Ubuntu: (Multiple Advisories) (CVE-2023-4049): Firefox vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:N/I:N/A:C) | Aug 1, 2023 | Aug 3, 2023 | Mar 27, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
Aug 1, 2023
Added
Aug 3, 2023
Modified
Mar 27, 2026
Description
Race conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable use-after-free vulnerabilities. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
Solutions
ubuntu-upgrade-firefoxubuntu-upgrade-thunderbird
Rapid7 Labs
2026 Global Threat Landscape Report
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