CVE-2021-30469

Name: CVE-2021-30469
Creator: NVD / NIST
Published: 2021-05-26T22:15:08.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.70%

Last modified Jun 17, 2026

CVE-2021-30469 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A flaw was found in PoDoFo 0.9.7. An use-after-free in PoDoFo::PdfVecObjects::Clear() function can cause a denial of service via a crafted PDF file.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

A flaw was found in PoDoFo 0.9.7. An use-after-free in PoDoFo::PdfVecObjects::Clear() function can cause a denial of service via a crafted PDF file.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.70%

48.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

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

References

https://bugzilla.redhat.com/show_bug.cgi?id=1947433Exploit, Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1947433Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: May 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30469?

A flaw was found in PoDoFo 0.9.7. An use-after-free in PoDoFo::PdfVecObjects::Clear() function can cause a denial of service via a crafted PDF file.

How severe is CVE-2021-30469?

CVE-2021-30469 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30469?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30469?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST