PDF Labs pdftk-java v3.2.3 was discovered to contain an infinite loop via the component /text/pdf/PdfReader.java.
Priority LOW 34CWE-835Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- 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-835.
Summary
PDF Labs pdftk-java v3.2.3 was discovered to contain an infinite loop via the component /text/pdf/PdfReader.java.
Why it matters now
EPSS 0.00852 58th percentileScored 2026-11-07
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pdftk-java_project:pdftk-java:3.2.3:*:*:*:*:java:*:* | 3.2.3 | Vulnerable | Pdftk-java Project |
- cpe:2.3:a:pdftk-java_project:pdftk-java:3.2.3:*:*:*:*:java:*:* Versions 3.2.3 Vulnerable ·Pdftk-java Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2021-37819
- 2026-10-03 Alias added: GHSA-gj7r-55x2-8vv5
Sources
- CVE-2021-37819 · CVE Program
- CVE-2021-37819 · NVD
- FIRST EPSS
- GHSA-gj7r-55x2-8vv5 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-37819 · 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