DEBIAN-CVE-2026-104030

See a problem?
Please try reporting it to the source first.
Source
https://security-tracker.debian.org/tracker/CVE-2026-104030
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-104030.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-104030
Upstream
  • CVE-2026-104030
Published
2026-10-05T20:17:08Z
Modified
2026-10-13T13:00:06Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A flaw was found in sssd. This vulnerability allows a local user to cause a Denial of Service (DoS) by submitting a specially crafted passkey authentication token that lacks null terminators. The authentication service reads past the end of the provided memory buffer, causing the process to crash and disrupting authentication services.

References

Affected packages

Debian:12 / sssd

Package

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

Affected ranges

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

Affected versions

2.*
2.8.2-4
2.8.2-4+deb12u1
2.9.1-1
2.9.1-2
2.9.2-1
2.9.4-1
2.9.4-1.1~exp1
2.9.4-1.1
2.9.4-2
2.9.5-1
2.9.5-2
2.9.5-3
2.9.5-4
2.9.5-5
2.10.1-1
2.10.1-2
2.11.1-1
2.11.1-2
2.11.1-2.1
2.12.0-1
2.12.0-2
2.12.0-3~exp0
2.12.0-4
2.13.1-1
2.13.1-2
2.13.1-3

Ecosystem specific 

{
    "urgency":  "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-104030.json"

Debian:13 / sssd

Package

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

Affected ranges

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

Affected versions

2.*
2.10.1-2
2.11.1-1
2.11.1-2
2.11.1-2.1
2.12.0-1
2.12.0-2
2.12.0-3~exp0
2.12.0-4
2.13.1-1
2.13.1-2
2.13.1-3

Ecosystem specific 

{
    "urgency":  "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-104030.json"