SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-11790

In this case OpenOffice runs into an Arithmetic Overflow at a string length calculation.

HIGH 7.8EPSS 1.03%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

When loading a document with Apache Open Office 4.1.5 and earlier with smaller end line termination than the operating system uses, the defect occurs. In this case OpenOffice runs into an Arithmetic Overflow at a string length calculation.

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.03% probability · 63th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-682
Affected
apache/openoffice · canonical/ubuntu linux
Source
security@apache.org
EPSS trend
0%3%5%27 October 2026: 1.03%27 October 202627 October 2026

EPSS 1.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.