CVE-2021-30470 — MEDIUM (5.5)

Vulnerability Description

A flaw was found in PoDoFo 0.9.7. An uncontrolled recursive call among PdfTokenizer::ReadArray(), PdfTokenizer::GetNextVariant() and PdfTokenizer::ReadDataType() functions can lead to a stack overflow.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Podofo Project	Podofo	0.9.7
Redhat	Enterprise Linux	7.0
Fedoraproject	Fedora	33

Related Weaknesses (CWE)

CWE-674

References

https://bugzilla.redhat.com/show_bug.cgi?id=1947436ExploitIssue TrackingPatch
https://bugzilla.redhat.com/show_bug.cgi?id=1947436ExploitIssue TrackingPatch

FAQ

What is CVE-2021-30470?

CVE-2021-30470 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A flaw was found in PoDoFo 0.9.7. An uncontrolled recursive call among PdfTokenizer::ReadArray(), PdfTokenizer::GetNextVariant() and PdfTokenizer::ReadDataType() functions can lead to a stack overflow...

How severe is CVE-2021-30470?

CVE-2021-30470 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-30470?

Check the references section above for vendor advisories and patch information. Affected products include: Podofo Project Podofo, Redhat Enterprise Linux, Fedoraproject Fedora.