Uncontrolled recursion in podofo
Priority LOW 26CWE-674Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-674.
Summary
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.
Why it matters now
EPSS 0.00688 52nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | podofo | PoDoFo 0.9.7 | — | No fix listed | CNA |
- podofo Vendor— Affected PoDoFo 0.9.7 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:podofo_project:podofo:0.9.7:*:*:*:*:*:*:* | 0.9.7 | Vulnerable | Podofo Project |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 33 | Vulnerable | Fedoraproject |
- cpe:2.3:a:podofo_project:podofo:0.9.7:*:*:*:*:*:*:* Versions 0.9.7 Vulnerable ·Podofo Project
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2021-30470
- 2026-10-03 Alias added: GHSA-wx32-7cg6-9x4f
References
Sources
- CVE-2021-30470 · CVE Program
- CVE-2021-30470 · NVD
- FIRST EPSS
- GHSA-wx32-7cg6-9x4f · GitHub Advisory Database · CC BY 4.0
- CVE-2021-30470 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences