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Case File

CVE-2023-6866

HIGH · CVSS 8.8 EPSS 0.68%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-12-19 · 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-2023-6866
Severity
HIGH
CVSS
8.8
EPSS
0.68%
Firefox

Original NVD Description

TypedArrays can be fallible and lacked proper exception handling. This could lead to abuse in other APIs which expect TypedArrays to always succeed. This vulnerability affects Firefox < 121.

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