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CVE-2023-4583

Date: September 11, 2023

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.

Language: C++

Severity Score

Related Resources (8)

https://www.mozilla.org/security/advisories/mfsa2023-34/
https://security-tracker.debian.org/tracker/CVE-2023-4583
https://www.mozilla.org/security/advisories/mfsa2023-36/
https://www.mozilla.org/security/advisories/mfsa2023-38/
https://nvd.nist.gov/vuln/detail/CVE-2023-4583
https://access.redhat.com/security/cve/CVE-2023-4583
https://bugzilla.mozilla.org/show_bug.cgi?id=1842030
https://www.mend.io/vulnerability-database/CVE-2023-4583

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

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