CVE Vulnerability

CVE-2021-39520

An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::PushReconstructedData() located in blockbitmaprequester.cpp. It allows an attacker to cause Denial of Service.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/thorfdbg/libjpeg/issues/34 Exploit Issue Tracking
Configurations

Configuration 1

cpe:2.3:a:jpeg:libjpeg:*:*:*:*:*:*:*:*
Information

Published : 2021-09-20 04:15

Updated : 2021-09-24 08:58

NVD link : CVE-2021-39520

Mitre link : CVE-2021-39520

Products Affected
No products.
CWE
CWE-476