Vulnerabilities > CVE-2021-39519 - NULL Pointer Dereference vulnerability in Jpeg Libjpeg 1.63/1.66/20220615

047910
CVSS 6.5 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
network
low complexity
jpeg
CWE-476

Summary

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

Vulnerable Configurations

Part Description Count
Application
Jpeg
4

Common Weakness Enumeration (CWE)