CVEvulnerability

CVE-2021-40439

6.5 MEDIUM Published 2021-10-07 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-10-07
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
Weaknesses
CWE-611

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.

Affected configurations

• apache openoffice (<= 4.1.10)

Related

Weakness · CWE (1)

  • CWE-611 Improper Restriction of XML External Entity Reference weakness

References