medium
5.5
CWE
770 789 400
Advisory Published
CVE Published
Updated

CVE-2021-31811: A carefully crafted PDF file can trigger an OutOfMemory-Exception while loading a tiny file

First published: Sat Jun 12 2021(Updated: )

Apache PDFBox is vulnerable to a denial of service, caused by an out-of-memory exception while loading a file. By persuading a victim to open a specially-crafted PDF file, a remote attacker could exploit this vulnerability to cause a denial of service.

Credit: security@apache.org

Affected SoftwareAffected VersionHow to fix
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
IBM Security Risk Manager on CP4S<=CP4S 1.7.2.0

Remedy

https://lists.apache.org/thread.html/rfe26bcaba564deb505c32711ba68df7ec589797dcd96ff3389a8aaba@%3Cnotifications.ofbiz.apache.org%3E

Remedy

https://www.oracle.com/security-alerts/cpuapr2022.html

Remedy

https://www.oracle.com/security-alerts/cpujan2022.html

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-31811?

    CVE-2021-31811 is a vulnerability in Apache PDFBox that can trigger an OutOfMemory-Exception while loading a PDF file, leading to a denial of service.

  • How does CVE-2021-31811 affect Apache PDFBox?

    CVE-2021-31811 affects Apache PDFBox by causing an out-of-memory exception, which can be exploited by an attacker to cause a denial of service.

  • What is the severity of CVE-2021-31811?

    The severity of CVE-2021-31811 is medium with a CVSS score of 5.5.

  • How can CVE-2021-31811 be exploited?

    CVE-2021-31811 can be exploited by persuading a victim to open a specially-crafted PDF file.

  • How can I mitigate CVE-2021-31811?

    To mitigate CVE-2021-31811, ensure you update to the latest version of Apache PDFBox when a patch becomes available.

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