Medium severity5.5NVD Advisory· Published Sep 20, 2021· Updated Jun 17, 2026
CVE-2021-39542
CVE-2021-39542
Description
An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function Font::Size() located in font.cpp. It allows an attacker to cause Denial of Service.
Affected products
2- pdftools/pdftoolsdescription
Patches
Vulnerability mechanics
References
1- github.com/leonhad/pdftools/issues/5nvdExploitIssue TrackingThird Party Advisory
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