5.5

CVE-2018-19211: invisible-island ncurses NULL Pointer Dereference

Modified
AliasesSUSE-SU-2018:3967-1SUSE-SU-2018:4000-1UBUNTU-CVE-2018-19211
Published 12-11-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-19211 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in invisible-island ncurses. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 58.6% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
0.86%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
USN-5477-1

Timeline

  1. 12-11-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.86%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.86% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.redhat.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Suse11 products
  • ncurses&distro=SUSE Linux Enterprise Desktop 12 SP3< 5.9-61.1
  • ncurses&distro=SUSE Linux Enterprise Desktop 12 SP4< 5.9-61.1
  • ncurses&distro=SUSE Linux Enterprise Module for Basesystem 15< 6.1-5.3.1
  • ncurses&distro=SUSE Linux Enterprise Module for Development Tools 15< 6.1-5.3.1
  • ncurses&distro=SUSE Linux Enterprise Module for Legacy 15< 6.1-5.3.1
Debian1 product
  • ncurses< 6.1+20180210-3
Invisible-island1 product
Ubuntu1 product
  • ncurses< 5.9+20140118-1ubuntu1+esm2 | < 6.0+20160213-1ubuntu1+esm2 | < 6.1-1ubuntu1.18.04

4 vendors · 14 products

References

10 links