Description
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 possibly JVM destabilization) via a crafted length value in a Channel Definition Format (CDF) or Compound File Binary Format (CFBF) document.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | libjakarta-poi-java | 3.6+dfsg-1+squeeze1 | DSA-2468-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.apache.poi:poi | < 3.10-beta1 | 3.10-beta1 | GHSA-jqx5-h2hw-5q4f |
| Maven | org.apache.poi:poi-scratchpad | < 3.10-beta1 | 3.10-beta1 | GHSA-jqx5-h2hw-5q4f |
Advisories 2
- DSA-2468-1 libjakarta-poi-java - unbounded memory allocation Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2026-0180 Dell Data Protection Advisor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 20, 2026
References
- http://www-01.ibm.com/support/docview.wss?uid=swg21996759
- 49040 third-party-advisory
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0044
- DSA-2468 vendor-advisory
- 50549 third-party-advisory
- FEDORA-2012-10835 vendor-advisory
- 53487 vdb-entry
- RHSA-2012:1232 vendor-advisory
- MDVSA-2013:094 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=799078