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CRITICAL · 9.8

CVE-2021-33793

Foxit Reader before 10.1.4 and PhantomPDF before 10.1.4 have an out-of-bounds write because the Cross-Reference table is mishandled during Office document conversion.

Vulnerability Description

Foxit Reader before 10.1.4 and PhantomPDF before 10.1.4 have an out-of-bounds write because the Cross-Reference table is mishandled during Office document conversion.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
FoxitsoftwareFoxit Reader< 10.1.4
FoxitsoftwarePhantompdf< 10.1.4

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2021-33793?

CVE-2021-33793 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Foxit Reader before 10.1.4 and PhantomPDF before 10.1.4 have an out-of-bounds write because the Cross-Reference table is mishandled during Office document conversion.

How severe is CVE-2021-33793?

CVE-2021-33793 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-33793?

Check the references section above for vendor advisories and patch information. Affected products include: Foxitsoftware Foxit Reader, Foxitsoftware Phantompdf.