CVE-2017-13740

There is a stack-based buffer overflow in Liblouis 3.2.0, triggered in the function parseChars() in compileTranslationTable.c, that will lead to denial of service or possibly unspecified other impact.

Published: 2017-08-29 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-13740 is rated Moderate Risk (49.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.20%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2017-13740

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-17 0.36% 0.20% -0.15%
2 2025-03-30 0.89% 0.36% -0.53%
3 2025-03-29 — 0.89% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-13740

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2017-13740

OS Trackers for CVE-2017-13740

vendor priority summary link
debian low CVE-2017-13740 low priority: Debian including 1 source packages (liblouis), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2017-13740
redhat medium — https://access.redhat.com/security/cve/CVE-2017-13740
suse high CVE-2017-13740 severity important: SUSE including 57 source package names (liblouis, liblouis-1.7.0-1.3.3.1, …), 164 product×package rows across 48 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (48 product lines)): Fixed 113, Known Not Affected 51. https://www.suse.com/security/cve/CVE-2017-13740/
ubuntu low CVE-2017-13740 low priority: Ubuntu including 1 source packages (liblouis), 4 status rows across 4 suites (trusty, upstream, xenial, zesty): released 2, DNE 1, needs-triage 1. https://ubuntu.com/security/CVE-2017-13740

Affected software / configurations for CVE-2017-13740

Vendor Product Version Raw CPE
liblouis liblouis 3.2.0 cpe:2.3:a:liblouis:liblouis:3.2.0:*:*:*:*:*:*:*

References for CVE-2017-13740

cvelogic Threat Intelligence