AUGUST 4, 2026
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Case File

CVE-2023-6207

HIGH · CVSS 8.8 EPSS 0.79%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-11-21 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. It affects Firefox.

CVE
CVE-2023-6207
Severity
HIGH
CVSS
8.8
EPSS
0.79%
Firefox

Original NVD Description

Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-16412 CRITICAL CVE-2026-16411 CRITICAL CVE-2026-16410 CRITICAL CVE-2026-16409 HIGH CVE-2026-16408 CRITICAL CVE-2026-16407 CRITICAL