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.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2023-54437 | 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. |
Ubuntu USN |
USN-6320-1 | Firefox vulnerabilities |
Ubuntu USN |
USN-6405-1 | Thunderbird vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Thu, 18 Dec 2025 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Mozilla: Browsing Context potentially not cleared when closing Private Window | Browsing Context potentially not cleared when closing Private Window |
Thu, 19 Sep 2024 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-754 | |
| Metrics |
ssvc
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Projects
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Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2025-12-18T15:23:17.682Z
Reserved: 2023-08-29T03:37:00.389Z
Link: CVE-2023-4583
Updated: 2024-08-02T07:31:06.553Z
Status : Modified
Published: 2023-09-11T09:15:09.680
Modified: 2024-11-21T08:35:28.857
Link: CVE-2023-4583
OpenCVE Enrichment
No data.
Weaknesses
EUVD
Ubuntu USN