CVE-2017-5426

Source
Severity High
Remote Yes
Type Access restriction bypass
Description
On Linux, if the secure computing mode BPF (seccomp-bpf) filter is running when the Gecko Media Plugin sandbox is started, the sandbox fails to be applied and items that would run within the sandbox are run protected only by the running filter which is typically weak compared to the sandbox.
Group Package Affected Fixed Severity Status Ticket
AVG-194 firefox 51.0.1-1 52.0-1 Critical Fixed
Date Advisory Group Package Severity Description
10 Mar 2017 ASA-201703-3 AVG-194 firefox Critical multiple issues
References
https://www.mozilla.org/en-US/security/advisories/mfsa2017-05/#CVE-2017-5426
https://bugzilla.mozilla.org/show_bug.cgi?id=1257361