UBUNTU-CVE-2022-4996

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Source
https://ubuntu.com/security/CVE-2022-4996
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-4996.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2022-4996
Upstream
  • CVE-2022-4996
Published
2026-08-21T00:00:00Z
Modified
2026-08-21T10:00:07.371310159Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • 5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A flaw has been found in mruby 3.1.0. Affected is the function udiv of the file bigint.c. Executing a manipulation can lead to floating point comparison with incorrect operator. It is possible to launch the attack remotely. The exploit has been published and may be used. It is best practice to apply a patch to resolve this issue.

References

Affected packages

Ubuntu:16.04:LTS
mruby

Package

Name
mruby
Purl
pkg:deb/ubuntu/mruby?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.1.0+20150817+gita1731254-1
1.1.0+20150906+git1cbbb7e1-1
1.2.0+20160315+git4f20d58a-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.2.0+20160315+git4f20d58a-1",
            "binary_name": "mruby"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-4996.json"
Ubuntu:18.04:LTS
mruby

Package

Name
mruby
Purl
pkg:deb/ubuntu/mruby?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.3.0-1
1.3.0+20170925+git38185028-1
1.3.0+20171029+git77edafb0-1
1.4.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.4.0-1",
            "binary_name": "mruby"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-4996.json"
Ubuntu:20.04:LTS
mruby

Package

Name
mruby
Purl
pkg:deb/ubuntu/mruby?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.0.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.0.0-1",
            "binary_name": "mruby"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-4996.json"
Ubuntu:22.04:LTS
mruby

Package

Name
mruby
Purl
pkg:deb/ubuntu/mruby?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.1.2-3
3.*
3.0.0-1
3.0.0-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.0.0-3",
            "binary_name": "mruby"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-4996.json"
Ubuntu:24.04:LTS
mruby

Package

Name
mruby
Purl
pkg:deb/ubuntu/mruby?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.2.0-1
3.2.0-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.2.0-2",
            "binary_name": "mruby"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-4996.json"
Ubuntu:26.04:LTS
mruby

Package

Name
mruby
Purl
pkg:deb/ubuntu/mruby?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.3.0-1
3.4.0-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.4.0-2",
            "binary_name": "mruby"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-4996.json"