Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.
Priority LOW 27CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.
Why it matters now
EPSS 0.01131 66th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
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
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:liblouis:liblouis:3.21.0:*:*:*:*:*:*:* | 3.21.0 | Vulnerable | Liblouis |
| cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | 36 | Vulnerable | Fedoraproject |
- cpe:2.3:a:liblouis:liblouis:3.21.0:*:*:*:*:*:*:* Versions 3.21.0 Vulnerable ·Liblouis
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
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 9 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2022-31783
- 2026-10-03 Alias added: GHSA-qh6w-j8cx-jf53
References
Sources
- CVE-2022-31783 · CVE Program
- CVE-2022-31783 · NVD
- FIRST EPSS
- GHSA-qh6w-j8cx-jf53 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-31783 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences