CVE-2017-5448

HighCVSS 8.6/10Last modified Jun 17, 2026

Description

An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data within memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

Metrics

CVSS 3.0 8.6/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published: Jun 11, 2018
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2017

CVE-2017-54497.5A possibly exploitable crash triggered during layout and manipulation of bidirectional unicode text in concert with CSS animations. This vul CVE-2017-54507.5A mechanism to spoof the Firefox for Android addressbar using a "javascript:" URI. On Firefox for Android, the base domain is parsed incorre CVE-2017-54514.3A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event. The event could be used by script CVE-2017-54524.3Malicious sites can display a spoofed addressbar on a page when the existing location bar on the new page is scrolled out of view if an HTML CVE-2017-54534.3A mechanism to inject static HTML into the RSS reader preview page due to a failure to escape characters sent as URL parameters for a feed's CVE-2017-54547.5A mechanism to bypass file system access protections in the sandbox to use the file picker to access different files than those selected in CVE-2017-54557.5The internal feed reader APIs that crossed the sandbox barrier allowed for a sandbox escape and escalation of privilege if combined with ano CVE-2017-54569.8A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This a CVE-2017-54586.1When a "javascript:" URL is drag and dropped by a user into the addressbar, the URL will be processed and executed. This allows for users to CVE-2017-54599.8A buffer overflow in WebGL triggerable by web content, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird CVE-2017-54609.8A use-after-free vulnerability in frame selection triggered by a combination of malicious script content and key presses by a user. This res CVE-2017-54619.8Mozilla Network Security Services (NSS) before 3.21.4, 3.22.x through 3.28.x before 3.28.4, 3.29.x before 3.29.5, and 3.30.x before 3.30.1 a