vulnerability
Apache OpenOffice: CVE-2021-40439: "Billion Laughs" fixed in Expat >=2.4.0
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:N/A:P) | Oct 7, 2021 | Sep 12, 2025 | Sep 12, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
Oct 7, 2021
Added
Sep 12, 2025
Modified
Sep 12, 2025
Description
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.
Solution
apache-openoffice-upgrade-latest
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