DEBIAN-CVE-2025-9640

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Source
https://security-tracker.debian.org/tracker/CVE-2025-9640
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-9640.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2025-9640
Upstream
  • CVE-2025-9640
Downstream
Published
2025-10-15T13:16:01.997Z
Modified
2026-01-10T14:08:12.087247Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
[none]
Details

A flaw was found in Samba, in the vfsstreamsxattr module, where uninitialized heap memory could be written into alternate data streams. This allows an authenticated user to read residual memory content that may include sensitive data, resulting in an information disclosure vulnerability.

References

Affected packages

Debian:11 / samba

Package

Name
samba
Purl
pkg:deb/debian/samba?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.13.13+dfsg-1~deb11u7

Affected versions

2:4.*
2:4.13.5+dfsg-2
2:4.13.13+dfsg-1~deb11u1
2:4.13.13+dfsg-1~deb11u2
2:4.13.13+dfsg-1~deb11u3
2:4.13.13+dfsg-1~deb11u4
2:4.13.13+dfsg-1~deb11u5
2:4.13.13+dfsg-1~deb11u6

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-9640.json"

Debian:12 / samba

Package

Name
samba
Purl
pkg:deb/debian/samba?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.17.12+dfsg-0+deb12u3

Affected versions

2:4.*
2:4.17.8+dfsg-2
2:4.17.8+dfsg-2.1
2:4.17.9+dfsg-0+deb12u1
2:4.17.9+dfsg-0+deb12u2
2:4.17.9+dfsg-0+deb12u3~bpo11+1
2:4.17.9+dfsg-0+deb12u3
2:4.17.10+dfsg-0+deb12u1~bpo11+1
2:4.17.10+dfsg-0+deb12u1
2:4.17.11+dfsg-0+deb12u1
2:4.17.12+dfsg-0+deb12u1~bpo11+1
2:4.17.12+dfsg-0+deb12u1
2:4.17.12+dfsg-0+deb12u2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-9640.json"

Debian:13 / samba

Package

Name
samba
Purl
pkg:deb/debian/samba?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.22.6+dfsg-0+deb13u1

Affected versions

2:4.*
2:4.22.3+dfsg-4
2:4.22.4+dfsg-1~deb13u1~bpo12+1
2:4.22.4+dfsg-1~deb13u1
2:4.22.4+dfsg-1
2:4.22.6+dfsg-0+deb13u1~bpo12+1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-9640.json"

Debian:14 / samba

Package

Name
samba
Purl
pkg:deb/debian/samba?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.23.2+dfsg-1

Affected versions

2:4.*
2:4.22.3+dfsg-4
2:4.22.4+dfsg-1~deb13u1~bpo12+1
2:4.22.4+dfsg-1~deb13u1
2:4.22.4+dfsg-1
2:4.23.0~rc1+dfsg-1
2:4.23.0~rc2+dfsg-1
2:4.23.0~rc3+dfsg-1
2:4.23.0+dfsg-1
2:4.23.0+dfsg-2
2:4.23.0+dfsg-3
2:4.23.1+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-9640.json"