CVE-2018-19217

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Summary

CVECVE-2018-19217
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-11-12 19:29:00 UTC
Updated2026-07-23 18:58:25 UTC
DescriptionIn 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

Risk And Classification

Primary CVSS: v3.0 6.5 MEDIUM from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 0.011490000 probability, percentile 0.635320000 (date 2026-07-23)

Problem Types: CWE-476 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6.5MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:M/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Invisible-island Ncurses 6.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
1643753 – There is a Segmentation fault on unknown address in function _nc_name_match in libncurses6.1 af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Exploit, Issue Tracking, Third Party Advisory
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