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Case File

CVE-2023-4583

HIGH · CVSS 7.5 EPSS 0.67%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-09-11 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It affects Firefox.

CVE
CVE-2023-4583
Severity
HIGH
CVSS
7.5
EPSS
0.67%
Firefox

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)