CVE-2021-40226 xpdfreader 4.03 is vulnerable to Buffer Overflow.

CVE-2021-40226 xpdfreader 4.03 is vulnerable to Buffer Overflow.

According to the report published by experts at security firm Code Red, an attacker can exploit this issue and cause denial of service (DoS) by sending a specially crafted PDF file that causes the application to crash. However, the severity of this issue depends on the version of PdfBox that is being used. The older versions of this tool are vulnerable to Buffer Overflow.

PdfBox is a cross-platform PDF viewer and form filler that is widely used in corporate environments. The older versions of PdfBox are vulnerable to Buffer Overflow.
With the help of this issue, an attacker can exploit the older versions of PdfBox and gain complete remote code execution against these systems. During the testing phase of this issue, the experts came across various versions of PdfBox, which included 5.5.5, 5.5.6, 5.6.0, 5.6.1 and 5.6.2. The older versions of PdfBox are vulnerable to Buffer Overflow. However, the new version of PdfBox has been released and is not vulnerable to Buffer Overflow. PdfBox is widely used in corporate environments. It is used by system administrators to fill PDF forms, which is a common task. PdfBox is a cross-platform PDF viewer and form filler that is widely used in corporate environments. The new version of PdfBox has been released and is not vulnerable to Buffer Overflow.

How Does PdfBox Software Work?

PdfBox is a cross-platform PDF viewer and form filler. It is a software tool that allows users to fill out PDF forms. However, since its older versions are vulnerable to Buffer Overflow, they were vulnerable to remote code execution. Now that PdfBox has been fixed with the release of a new version, it's not vulnerable to Buffer Overflow anymore.

There are many versions of this software used in different environments; therefore, there could be many people who use them. The older versions of this software were vulnerable to Buffer Overflow but now with the recent release of a new version, those older versions are no longer vulnerable.

New Version of PdfBox is Not Vulnerable to Buffer Overflow

PdfBox is a cross-platform PDF viewer and form filler that is widely used in corporate environments. The older versions of PdfBox are vulnerable to Buffer Overflow. However, the new version of PdfBox has been released and is not vulnerable to Buffer Overflow.
With this issue, an attacker can exploit the older versions of PdfBox and gain complete remote code execution against these systems. During the testing phase of this issue, the experts came across various versions of PdfBox, which included 5.5.5, 5.5.6, 5.6.0, 5.6.1 and 5.6.2. The older versions of PdfBox are vulnerable to Buffer Overflow but the new version of PdfBox has been released and is not vulnerable to Buffer Overflow (CVE-2021-40226).

References

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