high
8.8
CWE
119 787
Advisory Published
Updated

CVE-2021-39537: Buffer Overflow

First published: Mon Sep 20 2021(Updated: )

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

Credit: CVE-2021-39537 CVE-2021-39537 CVE-2021-39537 cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
GNU ncurses<=6.2.1
Apple Mac OS X=10.12.6
Apple macOS=11.7
Apple macOS=13.0
Apple macOS Big Sur<11.7
11.7
<12.6
12.6
<13
13

Remedy

http://cvsweb.netbsd.org/bsdweb.cgi/pkgsrc/devel/ncurses/patches/patch-ncurses_tinfo_captoinfo.c?rev=1.1&content-type=text/x-cvsweb-markup

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2021-39537?

    CVE-2021-39537 is a vulnerability in ncurses that was addressed with improved bounds checking.

  • How severe is CVE-2021-39537?

    The severity of CVE-2021-39537 is not specified in the provided information.

  • Which software is affected by CVE-2021-39537?

    CVE-2021-39537 affects macOS Big Sur (11.7), macOS Monterey (12.6), and macOS Ventura (up to exclusive version 13).

  • How can I fix CVE-2021-39537?

    To fix CVE-2021-39537, update your macOS to the corresponding remedied versions: macOS Big Sur 11.7, macOS Monterey 12.6, or macOS Ventura (version 13 or later if available).

  • Where can I find more information about CVE-2021-39537?

    You can find more information about CVE-2021-39537 at the following references: [Apple support article 1](https://support.apple.com/en-us/HT213443), [Apple support article 2](https://support.apple.com/en-us/HT213444), and [Apple support article 3](https://support.apple.com/en-us/HT213488).

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