CVE-2021-40439

Apache OpenOffice has a dependency on expat software. Versions prior to 2.1.0 were subject to CVE-2013-0340 a "Billion Laughs" entity expansion denial of service attack and exploit via crafted XML files. ODF files consist of a set of XML files. All versions of Apache OpenOffice up to 4.1.10 are subject to this issue. expat in version 4.1.11 is patched.

Score

CVSS 3.1 6.5 Medium

Status

Modified - security@apache.org

Published

2021-10-07

Last modified

2024-08-04

Weaknesses

CWE-611

Affected products

• Openoffice (Apache)
• Apache Openoffice (Apache Software Foundation)

References

• http://www.openwall.com/lists/oss-security/2021/10/07/4
• https://lists.apache.org/thread.html/r41eca5f4f09e74436cbb05dec450fc2bef37b5d3e966aa7cc5fada6d%40%3Cannounce.apache.org…
• https://lists.apache.org/thread.html/rfb2c193360436e230b85547e85a41bea0916916f96c501f5b6fc4702%40%3Cusers.openoffice.ap…