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Out-of-bounds Write Affecting ncurses package, versions <6.0+20160213-1ubuntu1+esm2

low

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.86% (83rd percentile)
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NVD
8.8 high
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SUSE
6.2 medium
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Red Hat
5.5 medium

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  • Snyk ID SNYK-UBUNTU1604-NCURSES-1656321
  • published 21 Sep 2021
  • disclosed 20 Sep 2021
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Introduced: 20 Sep 2021

CVE-2021-39537 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Ubuntu:16.04 ncurses to version 6.0+20160213-1ubuntu1+esm2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ncurses package and not the ncurses package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.