Related Vulnerabilities: CVE-2019-9806  

A vulnerability exists in Firefox before 66.0 during authorization prompting for FTP transaction where successive modal prompts are displayed and cannot be immediately dismissed. This allows for a denial of service (DOS) attack.

Severity Low

Remote Yes

Type Denial of service

Description

A vulnerability exists in Firefox before 66.0 during authorization prompting for FTP transaction where successive modal prompts are displayed and cannot be immediately dismissed. This allows for a denial of service (DOS) attack.

AVG-925 firefox 65.0.2-1 66.0-1 Critical Fixed

https://www.mozilla.org/en-US/security/advisories/mfsa2019-07/#CVE-2019-9806
https://bugzilla.mozilla.org/show_bug.cgi?id=1525267