CVE-2019-9799

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Insufficient bounds checking of data during inter-process communication might allow a compromised content process to be able to read memory from the parent process under certain conditions. This vulnerability affects Firefox < 66.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-20 CWE-125

Affected software

No affected versions have been published.

Timeline

Published: Apr 26, 2019
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2019

CVE-2019-98009.8Mozilla developers and community members reported memory safety bugs present in Firefox 66, Firefox ESR 60.6, and Thunderbird 60.6. Some of CVE-2019-98015.3Firefox will accept any registered Program ID as an external protocol handler and offer to launch this local application when given a matchi CVE-2019-98027.5If a Sandbox content process is compromised, it can initiate an FTP download which will then use a child process to render the downloaded da CVE-2019-98037.4The Upgrade-Insecure-Requests (UIR) specification states that if UIR is enabled through Content Security Policy (CSP), navigation to a same-CVE-2019-98049.8In 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 CVE-2019-98059.8A latent vulnerability exists in the Prio library where data may be read from uninitialized memory for some functions, leading to potential CVE-2019-98067.5A vulnerability exists during authorization prompting for FTP transaction where successive modal prompts are displayed and cannot be immedia CVE-2019-98074.3When arbitrary text is sent over an FTP connection and a page reload is initiated, it is possible to create a modal alert message with this CVE-2019-98085.3If WebRTC permission is requested from documents with data: or blob: URLs, the permission notifications do not properly display the originat CVE-2019-98097.5If 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 res CVE-2019-98108.8Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflo CVE-2019-98118.3As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a br