Executive Summary

Informations
Name CVE-2019-9821 First vendor Publication 2019-07-23
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 8.1
Base Score 8.1 Environmental Score 8.1
impact SubScore 5.9 Temporal Score 8.1
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A use-after-free vulnerability can occur in AssertWorkerThread due to a race condition with shared workers. This results in a potentially exploitable crash. This vulnerability affects Firefox < 67.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9821

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-416 Use After Free
50 % CWE-362 Race Condition

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 653

Sources (Detail)

https://bugzilla.mozilla.org/show_bug.cgi?id=1539125
https://www.mozilla.org/security/advisories/mfsa2019-13/
Source Url

Alert History

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Date Informations
2024-11-28 13:37:05
  • Multiple Updates
2024-11-01 02:11:39
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2024-10-23 13:07:51
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2024-10-23 02:11:24
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2024-10-22 13:08:24
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2024-08-02 13:10:07
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2024-08-02 01:20:28
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2024-02-10 02:04:18
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2024-02-02 02:11:06
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2024-02-01 12:19:12
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2023-09-05 13:05:38
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2023-09-05 01:18:52
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2023-09-02 13:04:33
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2023-09-02 01:19:08
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2023-08-22 12:57:49
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2023-07-14 01:18:23
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2022-10-11 01:18:21
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2021-08-05 01:36:00
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2021-07-21 17:24:57
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2021-05-04 13:42:56
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2021-04-22 02:54:38
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2020-10-14 01:27:31
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2020-10-03 01:27:54
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2020-05-29 01:24:54
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2020-05-23 02:34:29
  • Multiple Updates
2019-07-26 21:19:33
  • Multiple Updates
2019-07-23 21:19:34
  • First insertion