CVE-2016-5271

MEDIUM

Mozilla Firefox < 48.0.2 - Out-of-Bounds Read

Title source: rule

Description

The PropertyProvider::GetSpacingInternal function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via text runs in conjunction with a "display: contents" Cascading Style Sheets (CSS) property.

References (5)

[Vendor Advisory] http://www.mozilla.org/security/announce/2016/mfsa2016-85.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/93052

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1036852

[Issue Tracking] https://bugzilla.mozilla.org/show_bug.cgi?id=1288946

[Third Party Advisory] https://security.gentoo.org/glsa/201701-15

Scores

CVSS v3 6.5

EPSS 0.0043

EPSS Percentile 62.2%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Classification

CWE

CWE-125

Status published

Affected Products (2)

mozilla/firefox < 48.0.2

n/a/n/a

Timeline

Published Sep 22, 2016

Tracked Since Feb 18, 2026