// For flags

CVE-2016-2821

Mozilla: Use-after-free deleting tables from a contenteditable document (MFSA 2016-51)

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Vulnerabilidad de uso después de liberación de memoria en la clase mozilla::dom::Element en Mozilla Firefox en versiones anteriores a 47.0 y Firefox ESR 45.x en versiones anteriores a 45.2, cuando el modo contenteditable está habilitado, permite a atacantes remotos ejecutar código arbitrario o provocar una denegación de servicio (corrupción de la memoria dinámica) desencadenando la eliminación de elementos DOM que fueron creados por el editor.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
Attack Vector
Network
Attack Complexity
High
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2016-03-01 CVE Reserved
  • 2016-06-09 CVE Published
  • 2024-07-13 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mozilla
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Firefox
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<= 46.0.1
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-
Affected
Mozilla
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Firefox Esr
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45.1.0
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-
Affected
Mozilla
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Firefox Esr
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45.1.1
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-
Affected
Debian
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Debian Linux
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8.0
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-
Affected
Opensuse
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Leap
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42.1
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-
Affected
Opensuse
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Opensuse
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13.1
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-
Affected
Opensuse
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Opensuse
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13.2
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-
Affected
Canonical
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Ubuntu Linux
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12.04
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lts
Affected
Canonical
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Ubuntu Linux
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14.04
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lts
Affected
Canonical
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Ubuntu Linux
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15.10
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-
Affected
Canonical
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Ubuntu Linux
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16.04
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lts
Affected