CVE catalog
CVE-2018-19217
ncurses: CVE-2018-19217
- Severity
- Medium · CVSS 6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.16% · Oct 25, 2026
In ncurses, possibly a 6.x version, there is a NULL pointer dereference at the function _nc_name_match that will lead to a denial of service attack. NOTE: the original report stated version 6.1, but the issue did not reproduce for that version according to the maintainer or a reliable third-party
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 | fixed |
| Ubuntu | ncurses | pro | 5.9+20150516-2ubuntu1 | vulnerable |
| Ubuntu | ncurses | pro | 6.0+20151024-2ubuntu1 | vulnerable |
| Ubuntu | ncurses | pro | 6.0+20151024-2ubuntu2 | vulnerable |
| Ubuntu | ncurses | pro | 6.0+20160213-1ubuntu1 | vulnerable |
| Ubuntu | ncurses | pro | 6.0+20160213-1ubuntu1+esm1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ncurses | source | sid | 6.0+20170701-1 | not yet assigned | Not reported | Not reported |
| Debian | ncurses | source | forky | 6.0+20170701-1 | not yet assigned | Not reported | Not reported |
| Debian | ncurses | source | trixie | 6.0+20170701-1 | not yet assigned | Not reported | Not reported |
| Debian | ncurses | source | bookworm | 6.0+20170701-1 | not yet assigned | Not reported | Not reported |
| Ubuntu | ncurses | deb | pro | 6.0+20160213-1ubuntu1+esm1 | Not reported | UBUNTU-CVE-2018-19217 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [lib32ncurses6]Fixed
Source package: [ncurses]
Details (1)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [lib32ncurses-dev]Fixed
Source package: [ncurses]
Details (1)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [lib32ncursesw6]Fixed
Source package: [ncurses]
Details (1)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [lib32tinfo6]Fixed
Source package: [ncurses]
Details (1)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [libncurses5]Fixed
Source package: [ncurses]
Details (2)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· arm64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [libncurses5-dev]Fixed
Source package: [ncurses]
Details (2)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· arm64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [libncurses6]Fixed
Source package: [ncurses]
Details (2)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· arm64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [libncurses-dev]Fixed
Source package: [ncurses]
Details (2)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· arm64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [libncursesw5]Fixed
Source package: [ncurses]
Details (2)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· arm64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [libncursesw5-dev]Fixed
Source package: [ncurses]
Details (2)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· arm64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [libncursesw6]Fixed
Source package: [ncurses]
Details (2)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· arm64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [libtinfo5]Fixed
Source package: [ncurses]
Details (2)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· arm64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [libtinfo6]Fixed
Source package: [ncurses]
Details (2)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· arm64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [libtinfo-dev]Fixed
Source package: [ncurses]
Details (2)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· arm64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [ncurses-base]Fixed
Source package: [ncurses]
Details (2)
6.4-4· all · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· all · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [ncurses-bin]Fixed
Source package: [ncurses]
Details (2)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· arm64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [ncurses-doc]Fixed
Source package: [ncurses]
Details (2)
6.4-4· all · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· all · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [ncurses-examples]Fixed
Source package: [ncurses]
Details (2)
6.4-4· amd64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· arm64 · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
- [ncurses-term]Fixed
Source package: [ncurses]
Details (2)
6.4-4· all · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
6.4-4· all · bookwormFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · bookworm; dsa · ncurses · debian · 12
[Debian 13 (Trixie)]
- [lib32ncurses6]Fixed
Source package: [ncurses]
Details (1)
6.5+20250216-2· amd64 · trixieFixed · Fixed:
6.0+20170701-1dsa · ncurses · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2018-19217]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-19217]
- [https://security-tracker.debian.org/tracker/CVE-2018-19217]
- [https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-19217.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]