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Case File

CVE-2019-9813

HIGH · CVSS 8.8 EPSS 7.39%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-04-26 · 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-2019-9813
Severity
HIGH
CVSS
8.8
EPSS
7.39%
Firefox

Original NVD Description

Incorrect handling of __proto__ mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.

Related CVEs

Other vulnerabilities affecting the same vendor(s)