xorg-x11-server: local DoS vulnerability
Published Oct 28, 2013
1.9
LOWCVSS 2.0
EPSS 0.34%
Description
X.org X server 1.13.3 and earlier, when not run as root, allows local users to cause a denial of service (crash) or possibly gain privileges via vectors involving cached xkb files.
Affected products
No data.
- 12.04
- 12.10
- 13.04
No data.
Red Hat Enterprise Linux 5
xorg-x11-server
Not affected
Red Hat Enterprise Linux 6
xorg-x11-server
Not affected
Red Hat Enterprise Linux 7
xorg-x11-server
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | xorg-x11-server | Not affected | n/a |
| Red Hat Enterprise Linux 6 | xorg-x11-server | Not affected | n/a |
| Red Hat Enterprise Linux 7 | xorg-x11-server | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of xorg-x11-server as shipped with Red Hat Enterprise Linux 5 and 6 as our products did not include the vulnerable patch. The vulnerability was introduced due to a Ubuntu specific patch, which we never used with the xorg-x11-server we ship with our products.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.34% (0.00338) | 24.86th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00338) | 25.42th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00051) | 13.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
No CWE recorded.
References (5)
- http://www.ubuntu.com/usn/USN-1990-1 vendor-advisoryx_refsource_UBUNTUVendor Advisory
- https://access.redhat.com/security/cve/CVE-2013-1056 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1052324 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-1056
- https://www.cve.org/CVERecord?id=CVE-2013-1056
| Link | Providers | Tags |
|---|---|---|
| http://www.ubuntu.com/usn/USN-1990-1 | vendor-advisoryx_refsource_UBUNTUVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2013-1056 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1052324 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-1056 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-1056 |
Change history (0)
No recorded changes yet.