CVE-2019-11740

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

Mozilla developers and community members reported memory safety bugs present in Firefox 68, Firefox ESR 68, and Firefox 60.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published: Sep 27, 2019
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2019

CVE-2019-117416.1A compromised sandboxed content process can perform a Universal Cross-site Scripting (UXSS) attack on content from any site it can cause to CVE-2019-117426.5A same-origin policy violation occurs allowing the theft of cross-origin images through a combination of SVG filters and a <canvas> el CVE-2019-117433.7Navigation events were not fully adhering to the W3C's "Navigation-Timing Level 2" draft specification in some instances for the unload even CVE-2019-117446.1Some HTML elements, such as <title> and <textarea>, can contain literal angle brackets without treating them as markup. It is po CVE-2019-117458.8When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds wr CVE-2019-117468.8A use-after-free vulnerability can occur while manipulating video elements if the body is freed while still in use. This results in a potent CVE-2019-117476.5The "Forget about this site" feature in the History pane is intended to remove all saved user data that indicates a user has visited a site.CVE-2019-117486.5WebRTC in Firefox will honor persisted permissions given to sites for access to microphone and camera resources even when in a third-party c CVE-2019-117494.3A vulnerability exists in WebRTC where malicious web content can use probing techniques on the getUserMedia API using constraints to reveal CVE-2019-11757.0An elevation of privilege vulnerability exists in the way that the psmsrv.dll handles objects in memory. An attacker who successfully exploi CVE-2019-117506.5A type confusion vulnerability exists in Spidermonkey, which results in a non-exploitable crash. This vulnerability affects Firefox < 69 and CVE-2019-117518.8Logging-related command line parameters are not properly sanitized when Firefox is launched by another program, such as when a user clicks o