Vulnerability Details : 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, Firefox ESR < 115.2, and Thunderbird < 115.2.
Products affected by CVE-2023-4583
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-4583
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-4583
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2024-09-19 |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2023-4583
-
The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
References for CVE-2023-4583
-
https://www.mozilla.org/security/advisories/mfsa2023-36/
Security Vulnerabilities fixed in Firefox ESR 115.2 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2023-38/
Security Vulnerabilities fixed in Thunderbird 115.2 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2023-34/
Security Vulnerabilities fixed in Firefox 117 — MozillaVendor Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1842030
1842030 - After closing the last Private Window, context is not always reset/cleared...Issue Tracking
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