DEBIAN-CVE-2026-56409

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Source
https://security-tracker.debian.org/tracker/CVE-2026-56409
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-56409.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-56409
Upstream
Published
2026-06-21T16:16:28.230Z
Modified
2026-06-28T05:00:28.676663441Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L CVSS Calculator
Summary
[none]
Details

xmlwf in libexpat before 2.8.2 has an integer overflow for the output filename when -d outputDir is used.

References

Affected packages

Debian:11 / expat

Package

Name
expat
Purl
pkg:deb/debian/expat?arch=source&distro=bullseye

Affected ranges

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

Affected versions

2.*
2.2.10-2
2.2.10-2+deb11u1
2.2.10-2+deb11u2
2.2.10-2+deb11u3
2.2.10-2+deb11u4
2.2.10-2+deb11u5
2.2.10-2+deb11u6
2.2.10-2+deb11u7
2.3.0-1
2.4.1-1
2.4.1-2
2.4.1-3
2.4.2-1
2.4.3-1
2.4.3-2
2.4.3-3
2.4.4-1
2.4.5-1
2.4.5-2
2.4.6-1
2.4.7-1
2.4.8-1
2.4.8-2
2.4.9-1
2.5.0-1
2.5.0-2
2.6.0-1
2.6.1-1
2.6.1-2
2.6.2-1
2.6.2-2
2.6.3-1
2.6.3-2
2.6.4-1
2.7.0-1
2.7.1-1
2.7.1-2
2.7.2-1
2.7.3-1
2.7.3-2
2.7.4-1
2.7.5-1
2.8.0-1
2.8.0-2
2.8.1-1
2.8.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-56409.json"

Debian:12 / expat

Package

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

Affected ranges

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

Affected versions

2.*
2.5.0-1
2.5.0-1+deb12u1
2.5.0-1+deb12u2
2.5.0-2
2.6.0-1
2.6.1-1
2.6.1-2
2.6.2-1
2.6.2-2
2.6.3-1
2.6.3-2
2.6.4-1
2.7.0-1
2.7.1-1
2.7.1-2
2.7.2-1
2.7.3-1
2.7.3-2
2.7.4-1
2.7.5-1
2.8.0-1
2.8.0-2
2.8.1-1
2.8.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-56409.json"

Debian:13 / expat

Package

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

Affected ranges

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

Affected versions

2.*
2.7.1-2
2.7.2-1
2.7.3-1
2.7.3-2
2.7.4-1
2.7.5-1
2.8.0-1
2.8.0-2
2.8.1-1
2.8.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-56409.json"

Debian:14 / expat

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.8.2-1

Affected versions

2.*
2.7.1-2
2.7.2-1
2.7.3-1
2.7.3-2
2.7.4-1
2.7.5-1
2.8.0-1
2.8.0-2
2.8.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-56409.json"