vulnerability
Oracle Linux: CVE-2023-4583: ELSA-2023-4945: thunderbird security update (IMPORTANT) (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:C/A:N) | Aug 29, 2023 | May 21, 2024 | Dec 3, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:C/A:N)
Published
Aug 29, 2023
Added
May 21, 2024
Modified
Dec 3, 2025
Description
When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
The Mozilla Foundation Security Advisory describes this flaw as:
When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended.
The Mozilla Foundation Security Advisory describes this flaw as:
When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended.
Solutions
oracle-linux-upgrade-firefoxoracle-linux-upgrade-firefox-x11oracle-linux-upgrade-thunderbird
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