DEBIAN-CVE-2026-44742

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Source
https://security-tracker.debian.org/tracker/CVE-2026-44742
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-44742.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-44742
Upstream
Published
2026-05-07T19:16:02Z
Modified
2026-09-14T17:03:13Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026.

References

Affected packages

Debian:12 / postorius

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.3.8-3+deb12u1

Affected versions

1.*
1.3.8-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-44742.json"

Debian:13 / postorius

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.3.13-1+deb13u1

Affected versions

1.*
1.3.13-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-44742.json"

Debian:14 / postorius

Package

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

Affected ranges

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

Affected versions

1.*
1.3.13-1
1.3.13-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-44742.json"