How severe is CVE-2018-19211?

CVE-2018-19211 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-19211 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19211?

CVE-2018-19211 affects Gnu Ncurses. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19211?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-19211 published?

CVE-2018-19211 was published on 2018-11-12 and last updated on 2026-06-17.

CVE-2018-19211

CVE-2018-19211 is a medium-severity vulnerability in Gnu Ncurses with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Gnu Ncurses
Published: 2018-11-12
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-19211?: 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.
How severe is CVE-2018-19211?: CVE-2018-19211 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-19211 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19211?: CVE-2018-19211 affects Gnu Ncurses. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19211?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-19211 published?: CVE-2018-19211 was published on 2018-11-12 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1643754

Affected products (1)

cpe:2.3:a:gnu:ncurses:6.1:*:*:*:*:*:*:*

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