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CVE-2022-26336

5.5 · MEDIUM

A shortcoming in the HMEF package of poi-scratchpad (Apache POI) allows an attacker to cause an Out of Memory exception.

Published Mar 4, 2022CWE-20EPSS 1.53%

Overview

CVE-2022-26336 is a medium-severity vulnerability. It was published on March 4, 2022 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

A shortcoming in the HMEF package of poi-scratchpad (Apache POI) allows an attacker to cause an Out of Memory exception. This package is used to read TNEF files (Microsoft Outlook and Microsoft Exchange Server). If an application uses poi-scratchpad to parse TNEF files and the application allows untrusted users to supply them, then a carefully crafted file can cause an Out of Memory exception. This issue affects poi-scratchpad version 5.2.0 and prior versions. Users are recommended to upgrade to poi-scratchpad 5.2.1.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.apache.org/thread/sprg0kq986pc2271dc3v2oxb1f9qx09jRefsecurity.netapp.com/advisory/ntap-20221028-0006/Reflists.apache.org/thread/sprg0kq986pc2271dc3v2oxb1f9qx09jRefsecurity.netapp.com/advisory/ntap-20221028-0006/

How CyberStrike helps

Frequently asked questions

What is CVE-2022-26336?

CVE-2022-26336 is a medium-severity vulnerability. It was published on March 4, 2022 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-26336?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-26336?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-26336?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-26336 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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