Executive Summary

Informations
Name CVE-2021-29945 First vendor Publication 2021-06-24
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. *Note: This issue only affected x86-32 platforms. Other platforms are unaffected.*. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29945

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-682 Incorrect Calculation

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 659
Application 10
Application 419

Sources (Detail)

https://bugzilla.mozilla.org/show_bug.cgi?id=1700690
https://www.mozilla.org/security/advisories/mfsa2021-14/
https://www.mozilla.org/security/advisories/mfsa2021-15/
https://www.mozilla.org/security/advisories/mfsa2021-16/
Source Url

Alert History

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Date Informations
2025-02-07 02:29:39
  • Multiple Updates
2024-11-28 13:55:39
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2024-11-01 02:25:53
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2024-10-23 13:21:45
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2024-10-23 02:25:29
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2024-10-22 13:22:28
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2024-08-02 13:24:30
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2024-08-02 01:25:14
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2024-02-10 02:17:27
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2024-02-02 02:24:47
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2024-02-01 12:23:32
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2023-09-05 13:19:05
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2023-09-05 01:23:06
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2023-09-02 13:17:43
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2023-09-02 01:23:26
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2023-08-12 13:23:44
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2023-08-12 01:22:38
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2023-08-11 13:16:03
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2023-08-11 01:23:22
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2023-08-06 13:14:04
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2023-08-06 01:22:23
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2023-08-04 13:14:27
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2023-08-04 01:22:44
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2023-07-14 13:14:28
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2023-07-14 01:22:32
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2023-04-01 02:05:33
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2023-03-29 02:16:42
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2023-03-28 12:22:46
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2022-10-11 13:06:31
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2022-10-11 01:22:17
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2022-04-26 01:57:56
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2021-07-01 00:22:51
  • Multiple Updates
2021-06-24 21:23:09
  • First insertion