CVE-2016-2821

7.5 HIGH
Published: June 13, 2016 Modified: May 06, 2026
View on NVD

Description

Use-after-free vulnerability in the mozilla::dom::Element class in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2, when contenteditable mode is enabled, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) by triggering deletion of DOM elements that were created in the editor.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.mozilla.org/security/announce/2016/mfsa2016-51.html
Source: security@mozilla.org
Vendor Advisory
http://www.securityfocus.com/bid/91075
Source: security@mozilla.org
http://www.securitytracker.com/id/1036057
Source: security@mozilla.org
http://www.ubuntu.com/usn/USN-2993-1
Source: security@mozilla.org
http://www.debian.org/security/2016/dsa-3600
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.mozilla.org/security/announce/2016/mfsa2016-51.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securityfocus.com/bid/91075
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1036057
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2993-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://access.redhat.com/errata/RHSA-2016:1217
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.mozilla.org/show_bug.cgi?id=1271460
Source: af854a3a-2127-422b-91ae-364da2661108

22 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
2.9%
86th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

opensuse canonical mozilla debian