6.5 - CVE-2021-39514

Executive Summary

Informations
Name	CVE-2021-39514	First vendor Publication	2021-09-20
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

An issue was discovered in libjpeg through 2020021. An uncaught floating point exception in the function ACLosslessScan::ParseMCU() located in aclosslessscan.cpp. It allows an attacker to cause Denial of Service.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39514

CWE : Common Weakness Enumeration

%	Id	Name
100 %	CWE-697	Insufficient Comparison

CPE : Common Platform Enumeration

Type	Description	Count
Application	Jpeg Libjpeg cpe:2.3:a:jpeg:libjpeg:2022-06-15:::::::* cpe:2.3:a:jpeg:libjpeg:1.63:::::::* cpe:2.3:a:jpeg:libjpeg:::::::: cpe:2.3:a:jpeg:libjpeg:-:::::::*	4

Sources (Detail)

https://github.com/thorfdbg/libjpeg/issues/36

Source	Url

Alert History

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Date	Informations
2024-11-28 14:00:32	Multiple Updates
2022-08-23 02:05:55	Multiple Updates
2022-08-21 02:07:22	Multiple Updates
2022-06-18 02:08:09	Multiple Updates
2022-06-14 02:02:25	Multiple Updates
2021-10-02 09:22:57	Multiple Updates
2021-09-20 21:23:14	First insertion