CVE-2018-19217
Low
No strong exploitation signal.
CVSS base
6.5
MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
1.2%
65.7th percentile
CISA KEV
Not listed
Weakness / dates
CWE-476
Published 2018-11-12 · modified 2026-07-23
CVSS breakdown
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2018-11-12 — Published (NVD)
- 2026-07-23 — Last modified (NVD)
Description
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