Buffer Overflow vulnerability found in Liblouis v.3.24.0 allows a remote attacker to…
Priority HIGH 72CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 1 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-120 and the CVSS impact.
Summary
Buffer Overflow vulnerability found in Liblouis v.3.24.0 allows a remote attacker to cause a denial of service via the compileTranslationTable.c and lou_setDataPath functions.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01356 71st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2023:6385 Released 2023-11-07 · Red Hat rating Moderateliblouis security update
- Red Hat Enterprise Linux AppStream (v. 9) liblouis-3.16.1-5.el9, python3-louis-3.16.1-5.el9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2023:6385 |
Timeline
- 2026-10-02 Threatist record created from CVE-2023-26768
- 2026-10-03 Alias added: GHSA-f9h6-j58j-7972
References
More Liblouis vulnerabilities
- TI-2018-08139 An issue was discovered in Liblouis 3.5.0. CVSS 3.0CRITICAL 9.8
- TI-2017-11075 Stack-based buffer overflow in liblouis CVSS 3.0CRITICAL 9.8
- TI-2018-08166 Liblouis 3.5.0 has a stack-based Buffer Overflow in the function parseChars in compileTranslationTable.c. CVSS 3.0HIGH 8.8
- TI-2018-08283 Liblouis 3.5.0 has a Segmentation fault in lou_logPrint in logging.c. CVSS 3.0HIGH 8.8
- TI-2023-11761 Buffer Overflow vulnerability found in Liblouis v.3.24.0 allows a remote attacker to… CVSS 3.1HIGH 7.5
- TI-2018-08665 Liblouis 3.6.0 has a stack-based Buffer Overflow in the function parseChars in… CVSS 3.0HIGH 8.8
Sources
- CVE-2023-26768 · CVE Program
- CVE-2023-26768 · NVD
- FIRST EPSS
- GHSA-f9h6-j58j-7972 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-26768 · Red Hat security data · CC BY 4.0
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