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CVE-2018-11790

26
FAUCET Score

CVE-2018-11790 is an arithmetic overflow vulnerability in Apache OpenOffice 4.1.5 and earlier, affecting Apache and Canonical distributions. It occurs when processing documents with specific end-line terminations, leading to a string length calculation error. With a CVSS score of 7.8 (HIGH), this vulnerability has a local attack vector, low attack complexity, and can result in high impact to confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.1.5CPE matchmatch criteria
cpe:2.3:a:apache:openoffice:*:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.03%
Probability of exploitation in next 30 days
EPSS Percentile
60.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0103 is in the 92nd percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

denopatch availablevia llm_extracted
Fixed in: 4.1.6
View patch
libreofficepatch availablevia llm_extracted
Fixed in: 4.1.6
View patch
nessuspatch availablevia llm_extracted
Fixed in: 4.1.6
postgresqlpatch availablevia llm_extracted
Fixed in: 4.1.6
View patch

Vendor Advisories (4)

denollm-deno-1f48518df57e1613

Arithmetic overflow and wrap around during string length calculation

postgresqlllm-postgresql-1a941e1294490870

Arithmetic overflow and wrap around during string length calculation

libreofficellm-libreoffice-a22dfc1c267850d0

Arithmetic overflow and wrap around during string length calculation

nessusllm-nessus-a955590b137434c3

Arithmetic overflow and wrap around during string length calculation

References

lists.apache.org / thread.html/7394e6b5f78a878bd0c44e9bc9adf90b8cdf49e9adc0f287145aba9b%40%3Ccommits.openoffice.apache.org%3E
usn.ubuntu.com / 3883-1
Third Party Advisory
openoffice.org / security/cves/CVE-2018-11790.html
PatchVendor Advisory
securityfocus.com / bid/106803
Third Party AdvisoryVDB Entry