CVE-2017-5644
MEDIUM5.5EPSS 0.66%Improper Restriction of Recursive Entity References in DTDs in Apache POI
Published: 5/13/2022Modified: 4/28/2026
Description
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.
Affected packages (2)
- Debian/libapache-poi-javafrom 0, < 3.17-1
- Maven/org.apache.poi:poifrom 0, < 3.15
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2017-5644
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2017-5644
- WEBhttp://poi.apache.org/#20+March+2017+-+CVE-2017-5644+-+Possible+DOS+%28Denial+of+Service%29+in+Apache+POI+versions+prior+to+3.15
- WEBhttps://www.oracle.com/security-alerts/cpuoct2020.html
- WEBhttp://www.securityfocus.com/bid/96983