CVE-2016-5287

Publication date 25 October 2016

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

A potentially exploitable use-after-free crash during actor destruction with service workers. This issue does not affect releases earlier than Firefox 49. This vulnerability affects Firefox < 49.0.2.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	16.10 yakkety	Fixed 49.0.2+build2-0ubuntu0.16.10.2
	16.04 LTS xenial	Fixed 49.0.2+build2-0ubuntu0.16.04.2
	14.04 LTS trusty	Fixed 49.0.2+build2-0ubuntu0.14.04.1
	12.04 LTS precise	Fixed 49.0.2+build2-0ubuntu0.12.04.1
thunderbird	16.10 yakkety	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected

Notes

sbeattie

firefox 49 contains commit that introduced issue

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3111-1
Firefox vulnerabilities
27 October 2016