UBUNTU-CVE-2021-39537

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Source

https://ubuntu.com/security/CVE-2021-39537

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39537.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-39537

Upstream

CVE-2021-39537

Downstream

USN-5477-1

USN-6099-1

Related

Published

2021-09-20T16:15:00Z

Modified

2025-09-08T16:47:18Z

Severity

8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Ubuntu - negligible

Summary

[none]

Details

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

References

Affected packages

Ubuntu:Pro:14.04:LTS / ncurses

Package

Name: ncurses
Purl: pkg:deb/ubuntu/ncurses@5.9+20140118-1ubuntu1+esm2?arch=source&distro=trusty/esm

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.9+20140118-1ubuntu1+esm2

Affected versions

5.*

5.9+20130608-1ubuntu1

5.9+20131221-1ubuntu1

5.9+20140118-1ubuntu1

5.9+20140118-1ubuntu1+esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "lib32ncurses5",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib32ncurses5-dev",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib32ncursesw5",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib32ncursesw5-dev",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib32tinfo-dev",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib32tinfo5",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib64ncurses5",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib64ncurses5-dev",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib64tinfo5",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "libncurses5",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "libncurses5-dev",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "libncursesw5",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "libncursesw5-dev",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "libtinfo-dev",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "libtinfo5",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "libx32ncurses5",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "libx32ncurses5-dev",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "libx32ncursesw5",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "libx32ncursesw5-dev",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "libx32tinfo-dev",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "libx32tinfo5",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "ncurses-base",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "ncurses-bin",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "ncurses-examples",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        },
        {
            "binary_name": "ncurses-term",
            "binary_version": "5.9+20140118-1ubuntu1+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:16.04:LTS / ncurses

Package

Name: ncurses
Purl: pkg:deb/ubuntu/ncurses@6.0+20160213-1ubuntu1+esm2?arch=source&distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

6.0+20160213-1ubuntu1+esm2

Affected versions

5.*

5.9+20150516-2ubuntu1

6.*

6.0+20151024-2ubuntu1

6.0+20151024-2ubuntu2

6.0+20160213-1ubuntu1

6.0+20160213-1ubuntu1+esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "lib32ncurses5",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib32ncurses5-dev",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib32ncursesw5",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib32ncursesw5-dev",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib32tinfo-dev",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib32tinfo5",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib64ncurses5",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib64ncurses5-dev",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "lib64tinfo5",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "libncurses5",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "libncurses5-dev",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "libncursesw5",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "libncursesw5-dev",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "libtinfo-dev",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "libtinfo5",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "libx32ncurses5",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "libx32ncurses5-dev",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "libx32ncursesw5",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "libx32ncursesw5-dev",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "libx32tinfo-dev",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "libx32tinfo5",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "ncurses-base",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "ncurses-bin",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "ncurses-examples",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        },
        {
            "binary_name": "ncurses-term",
            "binary_version": "6.0+20160213-1ubuntu1+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:18.04:LTS / ncurses

Package

Name: ncurses
Purl: pkg:deb/ubuntu/ncurses@6.1-1ubuntu1.18.04.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

6.1-1ubuntu1.18.04.1

Affected versions

6.*

6.0+20160625-1ubuntu1

6.0+20171125-1ubuntu1

6.1-1ubuntu1

6.1-1ubuntu1.18.04

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "lib32ncurses5",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "lib32ncurses5-dev",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "lib32ncursesw5",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "lib32ncursesw5-dev",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "lib32tinfo-dev",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "lib32tinfo5",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "lib64ncurses5",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "lib64ncurses5-dev",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "lib64tinfo5",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "libncurses5",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "libncurses5-dev",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "libncursesw5",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "libncursesw5-dev",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "libtinfo-dev",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "libtinfo5",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "libx32ncurses5",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "libx32ncurses5-dev",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "libx32ncursesw5",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "libx32ncursesw5-dev",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "libx32tinfo-dev",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "libx32tinfo5",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "ncurses-base",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "ncurses-bin",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "ncurses-examples",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        },
        {
            "binary_name": "ncurses-term",
            "binary_version": "6.1-1ubuntu1.18.04.1"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / ncurses

Package

Name: ncurses
Purl: pkg:deb/ubuntu/ncurses@6.2-0ubuntu2.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

6.2-0ubuntu2.1

Affected versions

6.*

6.1+20190803-1ubuntu1

6.1+20191019-1ubuntu1

6.2-0ubuntu2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "lib32ncurses-dev",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "lib32ncurses6",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "lib32ncursesw6",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "lib32tinfo6",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "lib64ncurses-dev",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "lib64ncurses6",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "lib64ncursesw6",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "lib64tinfo6",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "libncurses-dev",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "libncurses5",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "libncurses5-dev",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "libncurses6",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "libncursesw5",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "libncursesw5-dev",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "libncursesw6",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "libtinfo-dev",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "libtinfo5",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "libtinfo6",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "ncurses-base",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "ncurses-bin",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "ncurses-examples",
            "binary_version": "6.2-0ubuntu2.1"
        },
        {
            "binary_name": "ncurses-term",
            "binary_version": "6.2-0ubuntu2.1"
        }
    ],
    "availability": "No subscription required"
}