Invalid Memory Access Vulnerability in Xpdf 4.01's TextPage::findGaps() Function

CVE-2019-9877 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

There is an invalid memory access vulnerability in the function TextPage::findGaps() located at TextOutputDev.c in Xpdf 4.01, which can (for example) be triggered by sending a crafted pdf file to the pdftops binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact.

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