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.

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DEBIAN-CVE-2023-4583

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, Firef...

Mozilla: Browsing Context potentially not cleared when closing Private Window

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...

Mozilla: Browsing Context potentially not cleared when closing Private Window

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...

Mozilla: Browsing Context potentially not cleared when closing Private Window

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...

SUSE CVE-2023-4583

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, Firef...

UBUNTU-CVE-2023-4583

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, Firef...