Vulnerability Details : CVE-2016-2821
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.
Vulnerability category: Memory CorruptionExecute codeDenial of service
Products affected by CVE-2016-2821
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:45.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:45.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-2821
2.40%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-2821
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.6
|
5.9
|
NIST |
References for CVE-2016-2821
-
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00014.html
[security-announce] openSUSE-SU-2016:1552-1: important: Security update
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1271460
TreeStatus
-
http://www.debian.org/security/2016/dsa-3600
Debian -- Security Information -- DSA-3600-1 firefox-esr
-
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.html
[security-announce] openSUSE-SU-2016:1557-1: important: Security update
-
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00055.html
[security-announce] SUSE-SU-2016:1691-1: important: Security update for
-
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
Oracle Linux Bulletin - April 2016
-
http://www.ubuntu.com/usn/USN-2993-1
USN-2993-1: Firefox vulnerabilities | Ubuntu security notices
-
https://access.redhat.com/errata/RHSA-2016:1217
RHSA-2016:1217 - Security Advisory - Red Hat Customer Portal
-
http://www.mozilla.org/security/announce/2016/mfsa2016-51.html
Use-after-free deleting tables from a contenteditable document — MozillaVendor Advisory
-
http://www.securityfocus.com/bid/91075
Mozilla Firefox Multiple Security Vulnerabilities
-
http://www.securitytracker.com/id/1036057
Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Bypass Security Restrictions, and Obtain Potentially Sensitive Information and Let Local Users Gain Elevated Privileges - Securi
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