Apache Poi vulnerabilities

10 CVEs affecting Apache Poi, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-31672, published 2025-04-09.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2014-3529, published 2014-09-04. Medium severity, CVSS 4.3. EPSS: 12.8% chance of exploitation in the next 30 days. The OPC SAX setup in Apache POI before 3.10.1 allows remote attackers to read arbitrary files via an OpenXML file containing an XML external entity declaration in conjunction with an entity…
CVE-2017-12626, published 2018-01-29. High severity, CVSS 7.5. EPSS: 9.9% chance of exploitation in the next 30 days. Apache POI in versions prior to release 3.17 are vulnerable to Denial of Service Attacks: 1) Infinite Loops while parsing crafted WMF, EMF, MSG and macros (POI bugs 61338 and 61294), and 2) Out of…
CVE-2012-0213, published 2012-08-07. Medium severity, CVSS 5.0. EPSS: 7.5% chance of exploitation in the next 30 days. The UnhandledDataStructure function in hwpf/model/UnhandledDataStructure.java in Apache POI 3.8 and earlier allows remote attackers to cause a denial of service (OutOfMemoryError exception and…
CVE-2014-3574, published 2014-09-04. Medium severity, CVSS 4.3. EPSS: 7.1% chance of exploitation in the next 30 days. Apache POI before 3.10.1 and 3.11.x before 3.11-beta2 allows remote attackers to cause a denial of service (CPU consumption and crash) via a crafted OOXML file, aka an XML Entity Expansion (XEE)…
CVE-2014-9527, published 2015-01-06. Medium severity, CVSS 5.0. EPSS: 6.6% chance of exploitation in the next 30 days. HSLFSlideShow in Apache POI before 3.11 allows remote attackers to cause a denial of service (infinite loop and deadlock) via a crafted PPT file.
CVE-2017-5644, published 2017-03-24. Medium severity, CVSS 5.5. EPSS: 4.6% chance of exploitation in the next 30 days. Apache POI in versions prior to release 3.15 allows remote attackers to cause a denial of service (CPU consumption) via a specially crafted OOXML file, aka an XML Entity Expansion (XEE) attack.
CVE-2016-5000, published 2016-08-05. Medium severity, CVSS 5.5. EPSS: 4.2% chance of exploitation in the next 30 days. The XLSX2CSV example in Apache POI before 3.14 allows remote attackers to read arbitrary files via a crafted OpenXML document containing an external entity declaration in conjunction with an entity…
CVE-2022-26336, published 2022-03-04. Medium severity, CVSS 5.5. EPSS: 1.5% chance of exploitation in the next 30 days. 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…
CVE-2025-31672, published 2025-04-09. Medium severity, CVSS 5.3. EPSS: 1.4% chance of exploitation in the next 30 days. Improper Input Validation vulnerability in Apache POI. The issue affects the parsing of OOXML format files like xlsx, docx and pptx. These file formats are basically zip files and it is possible for…
CVE-2019-12415, published 2019-10-23. Medium severity, CVSS 5.5. EPSS: 1% chance of exploitation in the next 30 days. In Apache POI up to 4.1.0, when using the tool XSSFExportToXml to convert user-provided Microsoft Excel documents, a specially crafted document can allow an attacker to read files from the local…