CVE catalog
CVE-2023-50495
ncurses: CVE-2023-50495
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.04% · Oct 25, 2026
NCurse v6.4-20230418 was discovered to contain a segmentation fault via the component _nc_wrap_entry().
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | ncurses | sid | 6.6+20260608-2 | fixed |
| Debian | ncurses | forky | 6.6+20260608-2 | fixed |
| Debian | ncurses | trixie | 6.5+20250216-2 | fixed |
| Debian | ncurses | bookworm | 6.4-4 | vulnerable |
| Cpe | ncurse | Not reported | Not reported | unknown |
| Ubuntu | ncurses | pro | 6.1+20190803-1ubuntu1 | vulnerable |
| Ubuntu | ncurses | pro | 6.1+20191019-1ubuntu1 | vulnerable |
| Ubuntu | ncurses | pro | 6.2-0ubuntu2 | vulnerable |
| Ubuntu | ncurses | pro | 6.2-0ubuntu2.1 | vulnerable |
| Ubuntu | ncurses | pro | 6.2-0ubuntu2.1+esm1 | vulnerable |
| Ubuntu | ncurses | pro | 6.2-0ubuntu2.1+esm2 | vulnerable |
| Ubuntu | ncurses | 22.04 | 6.2+20201114-2build1 | vulnerable |
| Ubuntu | ncurses | 22.04 | 6.2+20201114-2build2 | vulnerable |
| Ubuntu | ncurses | 22.04 | 6.3-1 | vulnerable |
| Ubuntu | ncurses | 22.04 | 6.3-2 | vulnerable |
| Ubuntu | ncurses | 22.04 | 6.3-2ubuntu0.1 | vulnerable |
| Ubuntu | ncurses | 22.04 | 6.3-2ubuntu0.2 | vulnerable |
| Ubuntu | ncurses | 22.04 | 6.3-2ubuntu0.3 | vulnerable |
| Ubuntu | ncurses | pro | 6.0+20160625-1ubuntu1 | vulnerable |
| Ubuntu | ncurses | pro | 6.0+20171125-1ubuntu1 | vulnerable |
| Ubuntu | ncurses | pro | 6.1-1ubuntu1 | vulnerable |
| Ubuntu | ncurses | pro | 6.1-1ubuntu1.18.04 | vulnerable |
| Ubuntu | ncurses | pro | 6.1-1ubuntu1.18.04.1 | vulnerable |
| Ubuntu | ncurses | pro | 6.1-1ubuntu1.18.04.1+esm1 | vulnerable |
| Ubuntu | ncurses | pro | 6.1-1ubuntu1.18.04.1+esm2 | fixed |
| Suse | ncurses | linux enterprise micro 5.3 | 6.1-150000.5.20.1 | fixed |
| Suse | ncurses | linux enterprise micro 5.4 | 6.1-150000.5.20.1 | fixed |
| Suse | ncurses | linux enterprise micro 5.5 | 6.1-150000.5.20.1 | fixed |
| Suse | ncurses | linux enterprise module for basesystem 15 sp4 | 6.1-150000.5.20.1 | fixed |
| Suse | ncurses | linux enterprise module for basesystem 15 sp5 | 6.1-150000.5.20.1 | fixed |
| Suse | ncurses | linux enterprise module for development tools 15 sp4 | 6.1-150000.5.20.1 | fixed |
| Suse | ncurses | linux enterprise module for development tools 15 sp5 | 6.1-150000.5.20.1 | fixed |
| Suse | ncurses | linux enterprise module for legacy 15 sp4 | 6.1-150000.5.20.1 | fixed |
| Suse | ncurses | linux enterprise module for legacy 15 sp5 | 6.1-150000.5.20.1 | fixed |
| Suse | ncurses | linux enterprise micro 5.1 | 6.1-150000.5.20.1 | fixed |
| Suse | ncurses | linux enterprise micro 5.2 | 6.1-150000.5.20.1 | fixed |
| Opensuse | ncurses | leap micro 5.3 | 6.1-150000.5.20.1 | fixed |
| Opensuse | ncurses | leap micro 5.4 | 6.1-150000.5.20.1 | fixed |
| Opensuse | ncurses | leap 15.4 | 6.1-150000.5.20.1 | fixed |
| Opensuse | ncurses | leap 15.5 | 6.1-150000.5.20.1 | fixed |
| Suse | ncurses | linux enterprise software development kit 12 sp5 | 5.9-85.1 | fixed |
| Suse | ncurses | linux enterprise server 12 sp5 | 5.9-85.1 | fixed |
| Suse | ncurses | linux enterprise server for sap applications 12 sp5 | 5.9-85.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ncurses | source | sid | 6.4+20230625-1 | not yet assigned | Not reported | Not reported |
| Debian | ncurses | source | forky | 6.4+20230625-1 | not yet assigned | Not reported | Not reported |
| Debian | ncurses | source | trixie | 6.4+20230625-1 | not yet assigned | Not reported | Not reported |
| Debian | ncurses | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
| Ubuntu | ncurses | deb | pro | 6.1-1ubuntu1.18.04.1+esm2 | Not reported | USN-6684-1 | Not reported |
| Suse | ncurses | rpm | linux enterprise micro 5.3 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Suse | ncurses | rpm | linux enterprise micro 5.4 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Suse | ncurses | rpm | linux enterprise micro 5.5 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Suse | ncurses | rpm | linux enterprise module for basesystem 15 sp4 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Suse | ncurses | rpm | linux enterprise module for basesystem 15 sp5 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Suse | ncurses | rpm | linux enterprise module for development tools 15 sp4 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Suse | ncurses | rpm | linux enterprise module for development tools 15 sp5 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Suse | ncurses | rpm | linux enterprise module for legacy 15 sp4 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Suse | ncurses | rpm | linux enterprise module for legacy 15 sp5 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Suse | ncurses | rpm | linux enterprise micro 5.1 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Suse | ncurses | rpm | linux enterprise micro 5.2 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Opensuse | ncurses | rpm | leap micro 5.3 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Opensuse | ncurses | rpm | leap micro 5.4 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Opensuse | ncurses | rpm | leap 15.4 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Opensuse | ncurses | rpm | leap 15.5 | 6.1-150000.5.20.1 | Not reported | SUSE-SU-2023:4891-1 | Not reported |
| Suse | ncurses | rpm | linux enterprise software development kit 12 sp5 | 5.9-85.1 | Not reported | SUSE-SU-2023:4892-1 | Not reported |
| Suse | ncurses | rpm | linux enterprise server 12 sp5 | 5.9-85.1 | Not reported | SUSE-SU-2023:4892-1 | Not reported |
| Suse | ncurses | rpm | linux enterprise server for sap applications 12 sp5 | 5.9-85.1 | Not reported | SUSE-SU-2023:4892-1 | Not reported |
Notes
[bookworm] ncurses: Minor issue
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-794697.json]
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2023_4891-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2023-50495]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-50495]
- [https://osv.dev/vulnerability/SUSE-SU-2023:4891-1]
- [https://osv.dev/vulnerability/SUSE-SU-2023:4892-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-50495]
- [https://osv.dev/vulnerability/USN-6684-1]
- [https://security-tracker.debian.org/tracker/CVE-2023-50495]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-50495.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0165.json]
[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]