How severe is CVE-2017-13740?

CVE-2017-13740 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-13740 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-13740?

CVE-2017-13740 affects Liblouis. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-13740?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-13740 published?

CVE-2017-13740 was published on 2017-08-29 and last updated on 2026-06-17.

CVE-2017-13740

CVE-2017-13740 is a high-severity vulnerability in Liblouis with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Liblouis
Published: 2017-08-29
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2017-13740?: CVE-2017-13740 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-13740 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-13740?: CVE-2017-13740 affects Liblouis. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-13740?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-13740 published?: CVE-2017-13740 was published on 2017-08-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:liblouis:liblouis:3.2.0:*:*:*:*:*:*:*

More vulnerabilities in Liblouis

CVE-2018-11410 — Critical (CVSS 9.8): An issue was discovered in Liblouis 3.5.0. A invalid free in the compileRule function in compileTranslationTable.c…
CVE-2018-12085 — High (CVSS 8.8): Liblouis 3.6.0 has a stack-based Buffer Overflow in the function parseChars in compileTranslationTable.c, a different…
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CVE-2018-11684 — High (CVSS 8.8): Liblouis 3.5.0 has a stack-based Buffer Overflow in the function includeFile in compileTranslationTable.c.
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CVE-2018-11577 — High (CVSS 8.8): Liblouis 3.5.0 has a Segmentation fault in lou_logPrint in logging.c.

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