UBUNTU-CVE-2026-42268

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Source

https://ubuntu.com/security/CVE-2026-42268

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42268.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-42268

Upstream

CVE-2026-42268

Published

2026-05-12T22:16:00Z

Modified

2026-05-20T22:03:01.871119343Z

Severity

8.2 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
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
Ubuntu - medium

Summary

[none]

Details

ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception (std::outofrange) caused by unsigned integer underflow in libmodsecurity3 if the user (administrator) uses a rule any of @verifySSN, @verifyCPF, or @verifySVNR. This vulnerability is fixed in 3.0.15.

References

Affected packages

Ubuntu:20.04:LTS / modsecurity

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.0.3-1

3.0.4-1

3.0.4-1build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libmodsecurity3",
            "binary_version": "3.0.4-1build1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42268.json"

Ubuntu:22.04:LTS / modsecurity

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.0.4-2

3.0.6-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libmodsecurity3",
            "binary_version": "3.0.6-1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42268.json"

Ubuntu:24.04:LTS / modsecurity

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.0.10-1

3.0.11-1

3.0.12-1

3.0.12-1.1build1

3.0.12-1.1build2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libmodsecurity3t64",
            "binary_version": "3.0.12-1.1build2"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42268.json"

Ubuntu:25.10 / modsecurity

Package

Name: modsecurity
Purl: pkg:deb/ubuntu/modsecurity?arch=source&distro=questing

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.0.13-1

3.0.14-1

3.0.14-1build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libmodsecurity3t64",
            "binary_version": "3.0.14-1build1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42268.json"

Ubuntu:26.04:LTS / modsecurity

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.0.14-1build1

3.0.14-1build2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libmodsecurity3t64",
            "binary_version": "3.0.14-1build2"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42268.json"