CVE-2011-0729 [High] | Security Vulnerability in Language-Selector

dbus_backend/ls-dbus-backend in the D-Bus backend in language-selector before 0.6.7 does not restrict access on the basis of a PolicyKit check result, which allows local users to modify the /etc/default/locale and /etc/environment files via a (1) SetSystemDefaultLangEnv or (2) SetSystemDefaultLanguageEnv call.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.05%	0.33%	+0.28%
2	2025-03-30	0.05%	0.05%	+0.00%
3	2025-03-29	—	0.05%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.05%

0.33%

+0.28%

2025-03-30

0.05%

+0.00%

2025-03-29

—

0.05%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.2	2.0	HIGH	`AV:L/AC:L/Au:N/C:C/I:C/A:C` Click to expand Access vector (AV:L) Requires local access to the target system. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:C) Complete confidentiality impact. Integrity impact (I:C) Complete integrity impact. Availability impact (A:C) Complete availability impact.	3.9	10.0	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.2

2.0

HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand

Access vector (AV:L): Requires local access to the target system.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:C): Complete confidentiality impact.
Integrity impact (I:C): Complete integrity impact.
Availability impact (A:C): Complete availability impact.

3.9

10.0

[email protected]

OS Trackers for CVE-2011-0729

vendor	priority	summary	link
`ubuntu`	high	CVE-2011-0729 high priority: Ubuntu including 1 source packages (language-selector), 6 status rows across 6 suites (dapper, hardy, karmic, lucid, maverick, upstream): not-affected 4, needs-triage 1, released 1.	https://ubuntu.com/security/CVE-2011-0729

Affected software / configurations for CVE-2011-0729

Vendor	Product	Version	Raw CPE
ubuntu	language-selector	<= 0.6.6	cpe:2.3:a:ubuntu:language-selector::::::::
ubuntu	language-selector	0.0\+baz20050531	cpe:2.3:a:ubuntu:language-selector:0.0\+baz20050531:::::::*
ubuntu	language-selector	0.0\+baz20050609	cpe:2.3:a:ubuntu:language-selector:0.0\+baz20050609:::::::*
ubuntu	language-selector	0.0\+baz20050614	cpe:2.3:a:ubuntu:language-selector:0.0\+baz20050614:::::::*
ubuntu	language-selector	0.0\+baz20050808	cpe:2.3:a:ubuntu:language-selector:0.0\+baz20050808:::::::*
ubuntu	language-selector	0.0\+baz20050811	cpe:2.3:a:ubuntu:language-selector:0.0\+baz20050811:::::::*
ubuntu	language-selector	0.0\+baz20050819	cpe:2.3:a:ubuntu:language-selector:0.0\+baz20050819:::::::*
ubuntu	language-selector	0.0\+baz20050819.2	cpe:2.3:a:ubuntu:language-selector:0.0\+baz20050819.2:::::::*
ubuntu	language-selector	0.0\+baz20050822	cpe:2.3:a:ubuntu:language-selector:0.0\+baz20050822:::::::*
ubuntu	language-selector	0.0\+baz20050823	cpe:2.3:a:ubuntu:language-selector:0.0\+baz20050823:::::::*
ubuntu	language-selector	0.0\+baz20050824	cpe:2.3:a:ubuntu:language-selector:0.0\+baz20050824:::::::*
ubuntu	language-selector	0.0\+baz20050912	cpe:2.3:a:ubuntu:language-selector:0.0\+baz20050912:::::::*
ubuntu	language-selector	0.0\+baz20050926	cpe:2.3:a:ubuntu:language-selector:0.0\+baz20050926:::::::*
ubuntu	language-selector	0.0\+baz20050927	cpe:2.3:a:ubuntu:language-selector:0.0\+baz20050927:::::::*
ubuntu	language-selector	0.1	cpe:2.3:a:ubuntu:language-selector:0.1:::::::*
ubuntu	language-selector	0.1.1	cpe:2.3:a:ubuntu:language-selector:0.1.1:::::::*
ubuntu	language-selector	0.1.2	cpe:2.3:a:ubuntu:language-selector:0.1.2:::::::*
ubuntu	language-selector	0.1.3	cpe:2.3:a:ubuntu:language-selector:0.1.3:::::::*
ubuntu	language-selector	0.1.4	cpe:2.3:a:ubuntu:language-selector:0.1.4:::::::*
ubuntu	language-selector	0.1.5	cpe:2.3:a:ubuntu:language-selector:0.1.5:::::::*
ubuntu	language-selector	0.1.6	cpe:2.3:a:ubuntu:language-selector:0.1.6:::::::*
ubuntu	language-selector	0.1.7	cpe:2.3:a:ubuntu:language-selector:0.1.7:::::::*
ubuntu	language-selector	0.1.8	cpe:2.3:a:ubuntu:language-selector:0.1.8:::::::*
ubuntu	language-selector	0.1.9	cpe:2.3:a:ubuntu:language-selector:0.1.9:::::::*
ubuntu	language-selector	0.1.10	cpe:2.3:a:ubuntu:language-selector:0.1.10:::::::*
ubuntu	language-selector	0.1.11	cpe:2.3:a:ubuntu:language-selector:0.1.11:::::::*
ubuntu	language-selector	0.1.12	cpe:2.3:a:ubuntu:language-selector:0.1.12:::::::*
ubuntu	language-selector	0.1.13	cpe:2.3:a:ubuntu:language-selector:0.1.13:::::::*
ubuntu	language-selector	0.1.14	cpe:2.3:a:ubuntu:language-selector:0.1.14:::::::*
ubuntu	language-selector	0.1.15	cpe:2.3:a:ubuntu:language-selector:0.1.15:::::::*
ubuntu	language-selector	0.1.16	cpe:2.3:a:ubuntu:language-selector:0.1.16:::::::*
ubuntu	language-selector	0.1.17	cpe:2.3:a:ubuntu:language-selector:0.1.17:::::::*
ubuntu	language-selector	0.1.18	cpe:2.3:a:ubuntu:language-selector:0.1.18:::::::*
ubuntu	language-selector	0.1.19	cpe:2.3:a:ubuntu:language-selector:0.1.19:::::::*
ubuntu	language-selector	0.1.20	cpe:2.3:a:ubuntu:language-selector:0.1.20:::::::*
ubuntu	language-selector	0.1.21	cpe:2.3:a:ubuntu:language-selector:0.1.21:::::::*
ubuntu	language-selector	0.1.22	cpe:2.3:a:ubuntu:language-selector:0.1.22:::::::*
ubuntu	language-selector	0.1.23	cpe:2.3:a:ubuntu:language-selector:0.1.23:::::::*
ubuntu	language-selector	0.1.24	cpe:2.3:a:ubuntu:language-selector:0.1.24:::::::*
ubuntu	language-selector	0.1.25	cpe:2.3:a:ubuntu:language-selector:0.1.25:::::::*
ubuntu	language-selector	0.1.26	cpe:2.3:a:ubuntu:language-selector:0.1.26:::::::*
ubuntu	language-selector	0.1.27	cpe:2.3:a:ubuntu:language-selector:0.1.27:::::::*
ubuntu	language-selector	0.1.28	cpe:2.3:a:ubuntu:language-selector:0.1.28:::::::*
ubuntu	language-selector	0.1.29	cpe:2.3:a:ubuntu:language-selector:0.1.29:::::::*
ubuntu	language-selector	0.1.30	cpe:2.3:a:ubuntu:language-selector:0.1.30:::::::*
ubuntu	language-selector	0.2.0	cpe:2.3:a:ubuntu:language-selector:0.2.0:::::::*
ubuntu	language-selector	0.2.1	cpe:2.3:a:ubuntu:language-selector:0.2.1:::::::*
ubuntu	language-selector	0.2.2	cpe:2.3:a:ubuntu:language-selector:0.2.2:::::::*
ubuntu	language-selector	0.2.3	cpe:2.3:a:ubuntu:language-selector:0.2.3:::::::*
ubuntu	language-selector	0.2.4	cpe:2.3:a:ubuntu:language-selector:0.2.4:::::::*
ubuntu	language-selector	0.2.5	cpe:2.3:a:ubuntu:language-selector:0.2.5:::::::*
ubuntu	language-selector	0.2.6	cpe:2.3:a:ubuntu:language-selector:0.2.6:::::::*
ubuntu	language-selector	0.2.7	cpe:2.3:a:ubuntu:language-selector:0.2.7:::::::*
ubuntu	language-selector	0.2.8	cpe:2.3:a:ubuntu:language-selector:0.2.8:::::::*
ubuntu	language-selector	0.2.9	cpe:2.3:a:ubuntu:language-selector:0.2.9:::::::*
ubuntu	language-selector	0.2.10	cpe:2.3:a:ubuntu:language-selector:0.2.10:::::::*
ubuntu	language-selector	0.3.0	cpe:2.3:a:ubuntu:language-selector:0.3.0:::::::*
ubuntu	language-selector	0.3.1	cpe:2.3:a:ubuntu:language-selector:0.3.1:::::::*
ubuntu	language-selector	0.3.2	cpe:2.3:a:ubuntu:language-selector:0.3.2:::::::*
ubuntu	language-selector	0.3.3	cpe:2.3:a:ubuntu:language-selector:0.3.3:::::::*
ubuntu	language-selector	0.3.4	cpe:2.3:a:ubuntu:language-selector:0.3.4:::::::*
ubuntu	language-selector	0.3.5	cpe:2.3:a:ubuntu:language-selector:0.3.5:::::::*
ubuntu	language-selector	0.3.6	cpe:2.3:a:ubuntu:language-selector:0.3.6:::::::*
ubuntu	language-selector	0.3.7	cpe:2.3:a:ubuntu:language-selector:0.3.7:::::::*
ubuntu	language-selector	0.3.8	cpe:2.3:a:ubuntu:language-selector:0.3.8:::::::*
ubuntu	language-selector	0.3.9	cpe:2.3:a:ubuntu:language-selector:0.3.9:::::::*
ubuntu	language-selector	0.3.10	cpe:2.3:a:ubuntu:language-selector:0.3.10:::::::*
ubuntu	language-selector	0.3.11	cpe:2.3:a:ubuntu:language-selector:0.3.11:::::::*
ubuntu	language-selector	0.3.12	cpe:2.3:a:ubuntu:language-selector:0.3.12:::::::*
ubuntu	language-selector	0.3.13	cpe:2.3:a:ubuntu:language-selector:0.3.13:::::::*
ubuntu	language-selector	0.3.14	cpe:2.3:a:ubuntu:language-selector:0.3.14:::::::*
ubuntu	language-selector	0.3.15	cpe:2.3:a:ubuntu:language-selector:0.3.15:::::::*
ubuntu	language-selector	0.3.16	cpe:2.3:a:ubuntu:language-selector:0.3.16:::::::*
ubuntu	language-selector	0.3.17	cpe:2.3:a:ubuntu:language-selector:0.3.17:::::::*
ubuntu	language-selector	0.3.20	cpe:2.3:a:ubuntu:language-selector:0.3.20:::::::*
ubuntu	language-selector	0.3.21	cpe:2.3:a:ubuntu:language-selector:0.3.21:::::::*
ubuntu	language-selector	0.4.0	cpe:2.3:a:ubuntu:language-selector:0.4.0:::::::*
ubuntu	language-selector	0.4.1	cpe:2.3:a:ubuntu:language-selector:0.4.1:::::::*
ubuntu	language-selector	0.4.2	cpe:2.3:a:ubuntu:language-selector:0.4.2:::::::*
ubuntu	language-selector	0.4.2.1	cpe:2.3:a:ubuntu:language-selector:0.4.2.1:::::::*

References for CVE-2011-0729

URL	Tags
http://secunia.com/advisories/44214	Vendor Advisory
http://www.securityfocus.com/bid/47502	Patch
http://www.ubuntu.com/usn/USN-1115-1/
http://www.ubuntuupdates.org/packages/show/307975
http://www.vupen.com/english/advisories/2011/1032	Vendor Advisory
https://launchpad.net/bugs/764397
https://launchpad.net/ubuntu/+source/language-selector/0.6.7	Patch

URL

CVE-2011-0729

Exploit prediction scoring system (EPSS) score for CVE-2011-0729

Common vulnerability scoring system (CVSS) metrics for CVE-2011-0729

Weakness enumeration for CVE-2011-0729

OS Trackers for CVE-2011-0729

Affected software / configurations for CVE-2011-0729

References for CVE-2011-0729