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Medium severity6.5NVD Advisory· Published Sep 20, 2021· Updated Jun 17, 2026

CVE-2021-39519

CVE-2021-39519

Description

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.

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Affected products

3
  • libjpeg/libjpegdescription
  • Jpeg/Libjpeg
    cpe:2.3:a:jpeg:libjpeg:*:*:*:*:*:*:*:*
    Range: <=2020021
  • Thorfdbg/libjpegllm-fuzzy
    Range: <=2020021

Patches

Vulnerability mechanics

References

1

News mentions

0

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