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Out-of-bounds Write Affecting ncurses package, versions <6.2+20200912-1

low

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High
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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-DEBIAN11-NCURSES-1655741
  • 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 Debian:11 ncurses to version 6.2+20200912-1 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 Debian:11. See How to fix? for Debian:11 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.