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CVE-2019-11708CISA KEV

Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability

CISA lists this Mozilla Firefox and Thunderbird vulnerability as known exploited. The vendor's advisory has the fixed versions.

CISA KEVVendor advisoryNVD

CISA catalog record

Mozilla Firefox and Thunderbird contain a sandbox escape vulnerability that could result in remote code execution.

Product
Firefox and Thunderbird
Added to KEV
23 May 2022
Federal remediation due
13 Jun 2022
Known ransomware use
Not reported

What changed

First observed 14 Oct 2026

No field changes in the recorded history.

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ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 14 Oct 12:55 UTC · 254 of 255 readable · 253 fully read · documentation 0/409 current

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