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CVE-2016-2827

Published: 22 September 2016

The mozilla::net::IsValidReferrerPolicy function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a Content Security Policy (CSP) referrer directive with zero values.

Priority

Low

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
upstream
Released (49.0)
precise
Released (49.0+build4-0ubuntu0.12.04.1)
xenial
Released (49.0+build4-0ubuntu0.16.04.1)
yakkety
Released (49.0+build4-0ubuntu2)
trusty
Released (49.0+build4-0ubuntu0.14.04.1)
thunderbird
Launchpad, Ubuntu, Debian
upstream Not vulnerable

precise Not vulnerable

trusty Does not exist
(trusty was not-affected)
xenial Not vulnerable

yakkety Not vulnerable

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H