ncurses: Null pointer dereference at function _nc_parse_entry in parse_entry.c
Published Nov 12, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.86%
Description
In ncurses 6.1, there is a NULL pointer dereference at function _nc_parse_entry in parse_entry.c that will lead to a denial of service attack. The product proceeds to the dereference code path even after a "dubious character `*' in name or alias field" detection.
Affected products
No data.
- 6.1
No data.
Red Hat Enterprise Linux 5
ncurses
Will not fix
Red Hat Enterprise Linux 6
ncurses
Will not fix
Red Hat Enterprise Linux 7
ncurses
Will not fix
Red Hat Enterprise Linux 8
ncurses
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | ncurses | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | ncurses | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | ncurses | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | ncurses | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This vulnerability was rated as LOW severity because it requires the victim to open a specially crafted file. While it doesn’t allow full system compromise, it can cause the application to crash temporarily.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.86% (0.00863) | 57.10th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.86% (0.00863) | 57.04th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.06% (0.00056) | 24.01th | v3 (v2023.03.01) |
| Jun 18, 2024 | 0.06% (0.00056) | 23.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00056) | 21.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.52% (0.00518) | 11.68th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.52% (0.00518) | 0.00th | v1 |
References (5)
- https://access.redhat.com/security/cve/CVE-2018-19211 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1643754 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1652600 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-19211
- https://www.cve.org/CVERecord?id=CVE-2018-19211
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-19211 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1643754 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1652600 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-19211 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-19211 |
Change history (0)
No recorded changes yet.