NCurse v6.4-20230418 was discovered to contain a segmentation fault via the component _nc_wrap_entry().
Priority LOW 31Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
NCurse v6.4-20230418 was discovered to contain a segmentation fault via the component _nc_wrap_entry().
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01037 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:invisible-island:ncurse:6.4-20230418:*:*:*:*:*:*:* | 6.4-20230418 | Vulnerable | Invisible-island |
- cpe:2.3:a:invisible-island:ncurse:6.4-20230418:*:*:*:*:*:*:* Versions 6.4-20230418 Vulnerable ·Invisible-island
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift AI (RHOAI) | Affected | — |
Not affected: 1 product
- Red Hat OpenShift AI (RHOAI)
Timeline
- 2026-10-02 Threatist record created from CVE-2023-50495
- 2026-10-03 Alias added: GHSA-8p5h-3mcg-frjf
- 2026-11-07 Affected versions changed · Red Hat
References
Sources
- CVE-2023-50495 · CVE Program
- CVE-2023-50495 · NVD
- FIRST EPSS
- GHSA-8p5h-3mcg-frjf · GitHub Advisory Database · CC BY 4.0
- CVE-2023-50495 · 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