Billion Laughs
CVE-2021-40439

6.5MEDIUM

Key Information:

Vendor

Apache
Status
Apache Openoffice
Vendor
CVE Published:
7 October 2021

What is 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.

Affected Version(s)

Apache OpenOffice Apache OpenOffice <= 4.1.10

Apache OpenOffice OpenOffice.org <= 3.4

References

https://lists.apache.org/thread.html/rfb2c193360436e230b8...
x_refsource_MISC
https://lists.apache.org/thread.html/r41eca5f4f09e74436cb...
mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rfb2c193360436e230b8...
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.