Mozilla Firefox and Thunderbird
YES - ON THE CISA KEV LIST
CVE-2013-1690
Mozilla Firefox and Thunderbird Denial-of-Service Vulnerability
overdue since 2022-04-18
Mozilla: 13 entries (0.7% of all KEV entries are from this vendor); 0 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
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 (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2013-1690
References
Other KEV entries for this vendor: Mozilla
- CVE-2010-3765 - Multiple Products (2025-10-06)
- CVE-2024-9680 - Firefox (2024-10-15)
- CVE-2016-9079 - Firefox, Firefox ESR, and Thunderbird (2023-06-22)
- CVE-2015-4495 - Firefox (2022-05-25)
- CVE-2019-11707 - Firefox and Thunderbird (2022-05-23)
- CVE-2019-11708 - Firefox and Thunderbird (2022-05-23)
- CVE-2022-26486 - Firefox (2022-03-07)
- CVE-2022-26485 - Firefox (2022-03-07)
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