CVE-2016-5259

CVE Details

Release Date:	2016-08-02
Impact:	Critical	What is this?

Description

Use-after-free vulnerability in the CanonicalizeXPCOMParticipantfunction in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via a script that closes its own Service Worker within a nested sync event loop.

See more information about CVE-2016-5259 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	6.8
Vector String:	AV:N/AC:M/Au:N/C:P/I:P/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (firefox)	ELSA-2016-1551	2016-08-03
Oracle Linux version 6 (firefox)	ELSA-2016-1551	2016-08-03
Oracle Linux version 7 (firefox)	ELSA-2016-1551	2016-08-03