UBUNTU-CVE-2026-90467

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Source

https://ubuntu.com/security/CVE-2026-90467

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-90467.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-90467

Upstream

CVE-2026-90467

Published

2026-09-14T00:00:00Z

Modified

2026-09-14T11:18:08Z

Severity

4.0 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N CVSS Calculator
6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

aiosmtplib before 5.1.3 fails to properly validate email addresses supplied by callers, allowing attackers to inject ESMTP parameters into MAIL FROM and RCPT TO command lines. Attackers can craft malicious addresses containing spaces and angle brackets to append parameters like AUTH, NOTIFY, or ORCPT to envelope commands, forging authenticated identities or forcing delivery notifications to third parties.

References

Affected packages

Ubuntu:22.04:LTS / aiosmtplib

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.1.4-1

1.1.4-2

1.1.6-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "python3-aiosmtplib",
            "binary_version": "1.1.6-1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-90467.json"

Ubuntu:26.04:LTS / aiosmtplib

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.0.0-1

4.0.2-1

5.*

5.0.0-1

5.1.0-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "python3-aiosmtplib",
            "binary_version": "5.1.0-1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-90467.json"