CVE-2011-0465

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-04-08 · updated 2026-06-16
Weakness: CWE-20

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.

Affected products

Matthias Hopf Xrdb: through 1.0.8; 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6, 1.0.7
X11: through r7.6; r1, r2, r3, r4, r5, r6 (+17)

References

http://cgit.freedesktop.org/xorg/app/xrdb/commit/?id=1027d5df07398c1507fb1fe3a9981aa6b4bc3a56
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057928.html
http://lists.freedesktop.org/archives/xorg-announce/2011-April/001635.html
http://lists.freedesktop.org/archives/xorg-announce/2011-April/001636.html
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00002.html
http://secunia.com/advisories/44010
http://secunia.com/advisories/44012
http://secunia.com/advisories/44040
http://secunia.com/advisories/44082
http://secunia.com/advisories/44122
http://secunia.com/advisories/44123
http://secunia.com/advisories/44193

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