CVE Watch—

CVE-2013-1690

Mozilla Firefox and Thunderbird Denial-of-Service Vulnerability

CVSS

—

No CVSS

EPSS

69.0%

p99

KEV

YES

Mar 28, 2022

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

69.0%EPSS · 30 days69.0%

2026-06-302026-07-16

KEV catalog record

Product

Mozilla / Firefox and Thunderbird

Vulnerability

Mozilla Firefox and Thunderbird Denial-of-Service Vulnerability

Added to KEV

Mar 28, 2022

Remediate by

Apr 18, 2022

Known ransomware use

Summary description

Mozilla Firefox and Thunderbird do not properly handle onreadystatechange events in conjunction with page reloading, which allows remote attackers to cause a denial-of-service (DoS) or possibly execute malicious code via a crafted web site.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2013-1690

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