High
Denial of Service in Apache POI
Apache POI in versions prior to release 3.17 are vulnerable to Denial of Service Attacks:
- Infinite Loops while parsing crafted WMF, EMF, MSG and macros (POI bugs 61338 and 61294)
- Out of Memory Exceptions while parsing crafted DOC, PPT and XLS (POI bugs 52372 and 61295)
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.apache.poi:poi | < 3.17 | 3.17 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2017-12626
- https://access.redhat.com/errata/RHSA-2018:1322
- https://github.com/apache/poi
- https://lists.apache.org/thread.html/453d9af5dbabaccd9afb58d27279a9dbfe8e35f4e5ea1645ddd6960b%40%3Cdev.poi.apache.org%3E
- https://lists.apache.org/thread.html/453d9af5dbabaccd9afb58d27279a9dbfe8e35f4e5ea1645ddd6960b@%3Cdev.poi.apache.org%3E
- https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E
- https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451@%3Csolr-user.lucene.apache.org%3E
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- http://www.securityfocus.com/bid/102879
CVSS score
7.5/10
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-835- Platform
- Java / Kotlin (Maven)
- Package
org.apache.poi:poi- Disclosed
- 14.01.2021
- Updated
- 11.10.2026 12:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-523c-xh4g-mh5m - CC BY 4.0
Vulnerability history: org.apache.poi:poi
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 7
- First → latest
- 01.2021 05.2022
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 6
Disclosures per year
- 2021: 1
- 2022: 6
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
-
Denial of Service in Apache POI this entry
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