CVE-2018-11440

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

3.08% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 87.2% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-05-25 11:00Z8 YR AGO

Last updated

2024-08-05 08:10Z2 YR AGO

Reserved

2018-05-25

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-121Stack-based Buffer OverflowVariant

Data version

5.1

Document digest

c5a2365980cc67d02b0c1d3002bab266a55b2209f1b5d727a6edb3a3125cc79e

• usn.ubuntu.comUSN-3669-1https://usn.ubuntu.com/3669-1/vendor-advisoryx_refsource_UBUNTU
• www.securityfocus.com104321http://www.securityfocus.com/bid/104321vdb-entryx_refsource_BID
• github.comhttps://github.com/liblouis/liblouis/issues/575x_refsource_MISC
• lists.opensuse.orgopenSUSE-SU-2019:1160http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00038.htmlvendor-advisoryx_refsource_SUSE