CVE-2019-11708
Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Firefox and Thunderbird, fix it now.
CISA required action: Apply updates per vendor instructions.
US federal civilian agencies must remediate by Jun 13, 2022.
Patch status
No official fix confirmed yet
Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.
Description
Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed parent process opening web content chosen by a compromised child process. When combined with additional vulnerabilities this could result in executing arbitrary code on the user's computer. This vulnerability affects Firefox ESR < 60.7.2, Firefox < 67.0.4, and Thunderbird < 60.7.2.
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Affected versions | Fixed in | Source |
|---|---|---|---|---|
| Firefox | Mozilla | < 60.7.2; < 67.0.4 | 60.7.2; 67.0.4 | NVD |
| Firefox and Thunderbird | Mozilla | — | — | KEV |
Sources: NVD = NIST National Vulnerability Database; KEV = CISA Known Exploited Vulnerabilities catalog.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2019-11708 scored CVSS 10.0: Mozilla Firefox and Thunderbird, Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability
CISA lists this as exploited in the wild. Unpatched Firefox and Thunderbird systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
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Coverage
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