Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2021-43529 First vendor Publication 2023-02-16
Vendor Cve Last vendor Modification 2025-03-19

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
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 :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

Thunderbird versions prior to 91.3.0 are vulnerable to the heap overflow described in CVE-2021-43527 when processing S/MIME messages. Thunderbird versions 91.3.0 and later will not call the vulnerable code when processing S/MIME messages that contain certificates with DER-encoded DSA or RSA-PSS signatures.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43529

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 419

Sources (Detail)

https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2021-43529
Source Url

Alert History

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Date Informations
2025-03-19 17:21:47
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2025-02-07 02:34:54
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2024-11-28 14:02:22
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2024-08-02 13:29:44
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2024-08-02 01:26:56
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2024-02-02 02:29:33
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2024-02-01 12:25:05
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2023-09-05 13:23:57
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2023-09-05 01:24:34
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2023-09-02 13:22:22
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2023-09-02 01:24:57
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2023-08-12 13:28:21
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2023-08-12 01:24:11
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2023-08-11 13:20:34
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2023-08-11 01:24:59
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2023-08-06 13:18:30
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2023-08-06 01:23:54
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2023-08-04 13:18:52
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2023-08-04 01:24:16
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2023-07-14 13:18:56
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2023-07-14 01:24:03
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2023-03-29 02:20:56
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2023-03-28 12:24:14
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2023-02-28 17:27:19
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2023-02-17 17:27:13
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2023-02-17 00:27:16
  • First insertion