CVE-2021-31811
MEDIUMCVSS 5.5/10EPSS 3.45%
Last modified
CVE-2021-31811 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In Apache PDFBox, a carefully crafted PDF file can trigger an OutOfMemory-Exception while loading the file. This issue affects Apache PDFBox version 2.0.23 and prior 2.0.x versions.. EPSS estimates a 3.45% chance of exploitation in the next 30 days.
Description
In Apache PDFBox, a carefully crafted PDF file can trigger an OutOfMemory-Exception while loading the file. This issue affects Apache PDFBox version 2.0.23 and prior 2.0.x versions.
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 |
|---|---|---|
| Apache | Pdfbox | >= 2.0.0, <= 2.0.23 |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 34 |
| Oracle | Banking Corporate Lending Process Management | 14.2.0 |
| Oracle | Banking Corporate Lending Process Management | 14.3.0 |
| Oracle | Banking Corporate Lending Process Management | 14.5.0 |
| Oracle | Banking Credit Facilities Process Management | 14.2.0 |
| Oracle | Banking Credit Facilities Process Management | 14.3.0 |
| Oracle | Banking Credit Facilities Process Management | 14.5.0 |
| Oracle | Banking Supply Chain Finance | 14.2.0 |
| Oracle | Banking Supply Chain Finance | 14.3.0 |
| Oracle | Banking Supply Chain Finance | 14.5.0 |
| Oracle | Banking Trade Finance | 14.5 |
| Oracle | Banking Treasury Management | 14.5 |
| Oracle | Flexcube Universal Banking | >= 14.0.0, <= 14.3.0 |
| Oracle | Flexcube Universal Banking | 14.5 |
| Oracle | Outside In Technology | 8.5.5 |
| Oracle | Primavera Unifier | >= 17.7, <= 17.12 |
| Oracle | Primavera Unifier | 18.8 |
| Oracle | Primavera Unifier | 19.12 |
| Oracle | Primavera Unifier | 20.12 |
| Oracle | Retail Customer Management And Segmentation Foundation | 18.1 |
| Oracle | Communications Messaging Server | 8.1 |
References
- http://www.openwall.com/lists/oss-security/2021/06/12/2Mailing List, Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Vendor Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/06/12/2Mailing List, Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Vendor Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-31811?
In Apache PDFBox, a carefully crafted PDF file can trigger an OutOfMemory-Exception while loading the file. This issue affects Apache PDFBox version 2.0.23 and prior 2.0.x versions.
How severe is CVE-2021-31811?
CVE-2021-31811 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 3.45% probability of exploitation in the next 30 days.
How do I fix CVE-2021-31811?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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