CVE-2019-9809

high

Description

If the source for resources on a page is through an FTP connection, it is possible to trigger a series of modal alert messages for these resources through invalid credentials or locations. These messages cannot be immediately dismissed, allowing for a denial of service (DOS) attack. This vulnerability affects Firefox < 66.

References

https://www.mozilla.org/security/advisories/mfsa2019-07/

https://bugzilla.mozilla.org/show_bug.cgi?id=1523249

https://bugzilla.mozilla.org/show_bug.cgi?id=1282430

Details

Source: Mitre, NVD

Published: 2019-04-26

Updated: 2019-04-29

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High