Findings

Vulnerability · CVE-2023-50495

NCurse v6.4-20230418 was discovered to contain a segmentation fault via the component _nc_wrap_entry().

Published Dec 12, 2023 · corrected/updated Oct 15, 2026 · invisible-island ncurse · evidence confidence high

NCurse v6.4-20230418 was discovered to contain a segmentation fault via the component _nc_wrap_entry().

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2023-50495 is a medium public vulnerability record for invisible-island ncurse. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether invisible-island ncurse is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: invisible-island/ncurse (6.4-20230418). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 6.5, EPSS 1.0%. It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 12, 2023 · NIST NVD

    Detected

    NCurse v6.4-20230418 was discovered to contain a segmentation fault via the component _nc_wrap_entry().

  2. Oct 15, 2026 · NIST NVD

    Updated

    NCurse v6.4-20230418 was discovered to contain a segmentation fault via the component _nc_wrap_entry().

Affected

  • cpe invisible-island/ncurse6.4-20230418

Sources

  • CVE.orgVulnerability recordCVE-2023-50495

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-50495

    30-day exploitation probability 1.0%

    first.org
  • NIST NVDVulnerability recordCVE-2023-50495

    NCurse v6.4-20230418 was discovered to contain a segmentation fault via the component _nc_wrap_entry().

    nvd.nist.gov

References