5
CVSSv2

CVE-2019-9801

Published: 26/04/2019 Updated: 29/04/2019
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 5.3 | Impact Score: 1.4 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Vulnerability Summary

Firefox will accept any registered Program ID as an external protocol handler and offer to launch this local application when given a matching URL on Windows operating systems. This should only happen if the program has specifically registered itself as a "URL Handler" in the Windows registry. *Note: This issue only affects Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

Vulnerability Trend

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mozilla firefox

mozilla firefox_esr

mozilla thunderbird

Vendor Advisories

Mozilla Foundation Security Advisory 2019-11 Security vulnerabilities fixed in Thunderbird 606 Announced March 19, 2019 Impact critical Products Thunderbird Fixed in Thunderbird 606 ...
Mozilla Foundation Security Advisory 2019-07 Security vulnerabilities fixed in Firefox 66 Announced March 19, 2019 Impact critical Products Firefox Fixed in Firefox 66 ...
Mozilla Foundation Security Advisory 2019-08 Security vulnerabilities fixed in Firefox ESR 606 Announced March 19, 2019 Impact critical Products Firefox ESR Fixed in Firefox ESR 606 ...