CVE-2021-30470
MEDIUMCVSS 5.5/10EPSS 0.69%
Last modified
CVE-2021-30470 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Podofo Project | Podofo | 0.9.7 |
| Redhat | Enterprise Linux | 7.0 |
| Fedoraproject | Fedora | 33 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1947436Exploit, Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1947436Exploit, Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30470?
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 a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30470?
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-2021-30470?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST