How severe is CVE-2023-26769?

CVE-2023-26769 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-26769 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26769?

CVE-2023-26769 affects Liblouis. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26769?

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-2023-26769 published?

CVE-2023-26769 was published on 2023-03-16 and last updated on 2026-07-05.

CVE-2023-26769

CVE-2023-26769 is a high-severity vulnerability in Liblouis with a CVSS 3.x base score of 7.5. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Liblouis
Published: 2023-03-16
Last modified: 2026-07-05

Description

Buffer Overflow vulnerability found in Liblouis Lou_Trace v.3.24.0 allows a remote attacker to cause a denial of service via the resolveSubtable function at compileTranslationTabel.c.

Frequently asked questions

What is CVE-2023-26769?: Buffer Overflow vulnerability found in Liblouis Lou_Trace v.3.24.0 allows a remote attacker to cause a denial of service via the resolveSubtable function at compileTranslationTabel.c.
How severe is CVE-2023-26769?: CVE-2023-26769 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-26769 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26769?: CVE-2023-26769 affects Liblouis. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26769?: 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-2023-26769 published?: CVE-2023-26769 was published on 2023-03-16 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:a:liblouis:liblouis:3.24.0:*:*:*:*:*:*:*

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…
CVE-2018-11685 — High (CVSS 8.8): Liblouis 3.5.0 has a stack-based Buffer Overflow in the function compileHyphenation in compileTranslationTable.c.
CVE-2018-11684 — High (CVSS 8.8): Liblouis 3.5.0 has a stack-based Buffer Overflow in the function includeFile in compileTranslationTable.c.
CVE-2018-11683 — High (CVSS 8.8): Liblouis 3.5.0 has a stack-based Buffer Overflow in the function parseChars in compileTranslationTable.c, a different…
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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