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Vulnerable Software

Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 47.2%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 4.3
Products affected by CVE-2021-39520
  • Jpeg » Libjpeg » Version: N/A
    cpe:2.3:a:jpeg:libjpeg:-
  • Jpeg » Libjpeg » Version: 1.63
    cpe:2.3:a:jpeg:libjpeg:1.63
  • Jpeg » Libjpeg » Version: 1.66
    cpe:2.3:a:jpeg:libjpeg:1.66
  • Jpeg » Libjpeg » Version: 2022-06-15
    cpe:2.3:a:jpeg:libjpeg:2022-06-15


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