The X.Org X wrapper (xserver-wrapper.c) in Debian GNU/Linux and Ubuntu Linux does not…
Priority LOW 23CWE-264Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
The X.Org X wrapper (xserver-wrapper.c) in Debian GNU/Linux and Ubuntu Linux does not properly verify the TTY of a user who is starting X, which allows local users to bypass intended access restrictions by associating stdin with a file that is misinterpreted as the console TTY.
Why it matters now
EPSS 0.00862 58th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:x.org:x_server:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | x.org |
| cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:* | 10.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:* | 10.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:* | 11.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* | 11.10 | Vulnerable | Canonical |
| cpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:* | all versions | Vulnerable | Debian |
| cpe:2.3:o:ubuntu:linux:*:*:*:*:*:*:*:* | all versions | Vulnerable | Ubuntu |
- cpe:2.3:a:x.org:x_server:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·x.org
- cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:* Versions 10.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:* Versions 10.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:* Versions 11.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* Versions 11.10 Vulnerable ·Canonical
- cpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Debian
- cpe:2.3:o:ubuntu:linux:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Ubuntu
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2011-4613
- 2026-10-03 Alias added: GHSA-59qr-5c97-267m
References
Sources
- CVE-2011-4613 · CVE Program
- CVE-2011-4613 · NVD
- FIRST EPSS
- GHSA-59qr-5c97-267m · GitHub Advisory Database · CC BY 4.0
- CVE-2011-4613 · Red Hat security data · CC BY 4.0
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