CVE-2019-9804

In Firefox Developer Tools it is possible that pasting the result of the 'Copy as cURL' command into a command shell on macOS will cause the execution of unintended additional bash script commands if the URL was maliciously crafted. This is the result of an issue with the native version of Bash on macOS. *Note: This issue only affects macOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 66.

• CWE-78

• https://bugzilla.mozilla.org/show_bug.cgi?id=1518026Issue Tracking
• https://www.mozilla.org/security/advisories/mfsa2019-07/Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1518026Issue Tracking
• https://www.mozilla.org/security/advisories/mfsa2019-07/Vendor Advisory

Published

Apr 26, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2019-9798On Android systems, Firefox can load a library from APITRACE…
• CVE-2019-9799Insufficient bounds checking of data during inter-process co…
• CVE-2019-9800Mozilla developers and community members reported memory saf…
• CVE-2019-9801Firefox will accept any registered Program ID as an external…
• CVE-2019-9802If a Sandbox content process is compromised, it can initiate…
• CVE-2019-9803The Upgrade-Insecure-Requests (UIR) specification states tha…
• CVE-2019-9805A latent vulnerability exists in the Prio library where data…9.8
• CVE-2019-9806A vulnerability exists during authorization prompting for FT…
• CVE-2019-9807When arbitrary text is sent over an FTP connection and a pag…
• CVE-2019-9808If WebRTC permission is requested from documents with data: …
• CVE-2019-9809If the source for resources on a page is through an FTP conn…
• CVE-2019-9810Incorrect alias information in IonMonkey JIT compiler for Ar…8.8