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CVE-2018-11577

26
FAUCET Score

CVE-2018-11577 describes a segmentation fault vulnerability in Liblouis 3.5.0's logging function, lou_logPrint, affecting various Canonical, Liblouis, and OpenSUSE products. With a CVSS score of 8.8 (High), this vulnerability is easily exploitable over a network with low attack complexity, potentially leading to high impact across confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.5.0CPE matchmatch criteria
cpe:2.3:a:liblouis:liblouis:3.5.0:*:*:*:*:*:*:*
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:*:*:*
17.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.58%
Probability of exploitation in next 30 days
EPSS Percentile
83.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0258 is in the 82nd percentile among its peer group of 14,848 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 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: liblouis-0:2.6.2-21.el8
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: liblouis

Vendor Advisories (1)

redhatCVE-2018-11577Low

liblouis: Segmentation fault in logging.c:lou_logPrint()

May 30, 2018

References

lists.opensuse.org / opensuse-security-announce/2019-04/msg00038.html
Mailing ListThird Party Advisory
github.com / Edward-L/fuzzing-pocs/tree/master/liblouis
ExploitThird Party Advisory
github.com / liblouis/liblouis/issues/582
ExploitThird Party Advisory
usn.ubuntu.com / 3669-1
Third Party Advisory