UBUNTU-CVE-2021-40516

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Source

https://ubuntu.com/security/CVE-2021-40516

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40516.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-40516

Related

Published

2021-09-05T18:15:00Z

Modified

2025-06-03T17:35:57Z

Severity

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

Summary

[none]

Details

WeeChat before 3.2.1 allows remote attackers to cause a denial of service (crash) via a crafted WebSocket frame that trigger an out-of-bounds read in plugins/relay/relay-websocket.c in the Relay plugin.

References

Affected packages

Ubuntu:Pro:16.04:LTS / weechat

Package

Name: weechat
Purl: pkg:deb/ubuntu/weechat@1.4-2ubuntu0.1+esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.4-2ubuntu0.1+esm1

Affected versions

1.*

1.3-1

1.3-1build1

1.4-1

1.4-1build1

1.4-1build2

1.4-2

1.4-2ubuntu0.1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_name": "weechat",
            "binary_version": "1.4-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "weechat-core",
            "binary_version": "1.4-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "weechat-core-dbgsym",
            "binary_version": "1.4-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "weechat-curses",
            "binary_version": "1.4-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "weechat-curses-dbgsym",
            "binary_version": "1.4-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "weechat-dbg",
            "binary_version": "1.4-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "weechat-dev",
            "binary_version": "1.4-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "weechat-doc",
            "binary_version": "1.4-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "weechat-plugins",
            "binary_version": "1.4-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "weechat-plugins-dbgsym",
            "binary_version": "1.4-2ubuntu0.1+esm1"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / weechat

Package

Name: weechat
Purl: pkg:deb/ubuntu/weechat@1.9.1-1ubuntu1+esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.9.1-1ubuntu1+esm1

Affected versions

1.*

1.9.1-1

1.9.1-1build1

1.9.1-1ubuntu1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_name": "weechat",
            "binary_version": "1.9.1-1ubuntu1+esm1"
        },
        {
            "binary_name": "weechat-core",
            "binary_version": "1.9.1-1ubuntu1+esm1"
        },
        {
            "binary_name": "weechat-core-dbgsym",
            "binary_version": "1.9.1-1ubuntu1+esm1"
        },
        {
            "binary_name": "weechat-curses",
            "binary_version": "1.9.1-1ubuntu1+esm1"
        },
        {
            "binary_name": "weechat-curses-dbgsym",
            "binary_version": "1.9.1-1ubuntu1+esm1"
        },
        {
            "binary_name": "weechat-dev",
            "binary_version": "1.9.1-1ubuntu1+esm1"
        },
        {
            "binary_name": "weechat-doc",
            "binary_version": "1.9.1-1ubuntu1+esm1"
        },
        {
            "binary_name": "weechat-plugins",
            "binary_version": "1.9.1-1ubuntu1+esm1"
        },
        {
            "binary_name": "weechat-plugins-dbgsym",
            "binary_version": "1.9.1-1ubuntu1+esm1"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / weechat

Package

Name: weechat
Purl: pkg:deb/ubuntu/weechat@2.8-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.8-1ubuntu0.1~esm1

Affected versions

2.*

2.6-2

2.6-2build1

2.6-2build2

2.6-2ubuntu1

2.6-2ubuntu2

2.8-1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_name": "weechat",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-core",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-core-dbgsym",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-curses",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-curses-dbgsym",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-dev",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-doc",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-guile",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-guile-dbgsym",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-headless",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-headless-dbgsym",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-lua",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-lua-dbgsym",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-perl",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-perl-dbgsym",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-php",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-php-dbgsym",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-plugins",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-plugins-dbgsym",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-python",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-python-dbgsym",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-ruby",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-ruby-dbgsym",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-tcl",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "weechat-tcl-dbgsym",
            "binary_version": "2.8-1ubuntu0.1~esm1"
        }
    ]
}