CVE-2011-0465

CVE-2011-0465 is a critical-severity vulnerability in Matthias Hopf Xrdb with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Description

xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a (1) DHCP or (2) XDMCP message.

Frequently asked questions

What is CVE-2011-0465?
xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a (1) DHCP or (2) XDMCP message.
How severe is CVE-2011-0465?
CVE-2011-0465 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-0465 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0465?
CVE-2011-0465 primarily affects Matthias Hopf Xrdb. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0465?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-0465 published?
CVE-2011-0465 was published on 2011-04-08 and last updated on 2026-06-16.

References

Affected products (31)

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