Memory corruption in podofo
Priority LOW 35CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A flaw was found in PoDoFo 0.9.7. A stack-based buffer overflow in PdfEncryptMD5Base::ComputeOwnerKey function in PdfEncrypt.cpp is possible because of a improper check of the keyLength value.
Why it matters now
EPSS 0.00763 55th 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:podofo_project:podofo:0.9.7:*:*:*:*:*:*:* | 0.9.7 | Vulnerable | Podofo Project |
- cpe:2.3:a:podofo_project:podofo:0.9.7:*:*:*:*:*:*:* Versions 0.9.7 Vulnerable ·Podofo Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2021-30472
- 2026-10-03 Alias added: GHSA-4wq4-55w3-3f9f
References
More Podofo Project Podofo vulnerabilities
- TI-2023-15119 Podofo v0.10.0 was discovered to contain a heap buffer overflow via the component… CVSS 3.1HIGH 8.8
- TI-2023-15118 Podofo v0.10.0 was discovered to contain a heap-use-after-free via the component… CVSS 3.1HIGH 8.8
- TI-2023-15117 podofoinfo 0.10.0 was discovered to contain a segmentation violation via the function… CVSS 3.1HIGH 8.8
- TI-2023-02101 PoDoFo PdfXRefStreamParserObject.cpp readXRefStreamEntry heap-based overflow CVSS 3.1HIGH 7.8
- TI-2025-28974 A heap-use-after free in the PdfTokenizer::ReadDictionary function of podofo v0.10.0 to… CVSS 3.1HIGH 8.1
- TI-2025-08606 PoDoFo PDF Dictionary PdfTokenizer.cpp DetermineDataType use after free CVSS 4.0MEDIUM 4.8
Sources
- CVE-2021-30472 · CVE Program
- CVE-2021-30472 · NVD
- FIRST EPSS
- GHSA-4wq4-55w3-3f9f · GitHub Advisory Database · CC BY 4.0
- CVE-2021-30472 · 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