DEBIAN-CVE-2026-90467

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Source
https://security-tracker.debian.org/tracker/CVE-2026-90467
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-90467.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-90467
Upstream
Published
2026-09-12T02:16:24Z
Modified
2026-09-16T22:00:06Z
Severity
  • 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
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

Debian:12 / aiosmtplib

Package

Name
aiosmtplib
Purl
pkg:deb/debian/aiosmtplib?arch=source&distro=bookworm

Affected ranges

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

Affected versions

2.*
2.0.0-1
3.*
3.0.1-1
3.0.2-1
3.0.2-2
4.*
4.0.0-1
4.0.1-1~exp1
4.0.1-1
4.0.2-1
5.*
5.0.0-1
5.1.0-1
5.1.0-2
5.1.0-3
5.1.2-1
5.1.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-90467.json"

Debian:13 / aiosmtplib

Package

Name
aiosmtplib
Purl
pkg:deb/debian/aiosmtplib?arch=source&distro=trixie

Affected ranges

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

Affected versions

4.*
4.0.0-1
4.0.1-1~exp1
4.0.1-1
4.0.2-1
5.*
5.0.0-1
5.1.0-1
5.1.0-2
5.1.0-3
5.1.2-1
5.1.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-90467.json"

Debian:14 / aiosmtplib

Package

Name
aiosmtplib
Purl
pkg:deb/debian/aiosmtplib?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.1.3-1

Affected versions

4.*
4.0.0-1
4.0.1-1~exp1
4.0.1-1
4.0.2-1
5.*
5.0.0-1
5.1.0-1
5.1.0-2
5.1.0-3
5.1.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-90467.json"