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CVE-2018-5163

Published: 11 May 2018

If a malicious attacker has used another vulnerability to gain full control over a content process, they may be able to replace the alternate data resources stored in the JavaScript Start-up Bytecode Cache (JSBC) for other JavaScript code. If the parent process then runs this replaced code, the executed script would be run with the parent process' privileges, escaping the sandbox on content processes. This vulnerability affects Firefox < 60.

Priority

Medium

CVSS 3 base score: 8.1

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
artful
Released (60.0+build2-0ubuntu0.17.10.1)
bionic
Released (60.0+build2-0ubuntu1)
precise Does not exist

trusty Does not exist
(trusty was released [60.0+build2-0ubuntu0.14.04.1])
upstream
Released (60.0)
xenial
Released (60.0+build2-0ubuntu0.16.04.1)