Vulnerabilities > CVE-2021-39517 - NULL Pointer Dereference vulnerability in Jpeg Libjpeg

047910
CVSS 4.3 - MEDIUM
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
PARTIAL
network
jpeg
CWE-476

Summary

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

Vulnerable Configurations

Part Description Count
Application
Jpeg
1

Common Weakness Enumeration (CWE)