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Debian: Security Advisory for libx11 (DSA-4920-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'libx11' package(s) announced via the DSA-4920-1 advisory.
Insight
Insight
Roman Fiedler reported that missing length validation in various functions provided by libx11, the X11 client-side library, allow to inject X11 protocol commands on X clients, leading to authentication bypass, denial of service or potentially the execution of arbitrary code.
Affected Software
Affected Software
'libx11' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the stable distribution (buster), this problem has been fixed in version 2:1.6.7-1+deb10u2. We recommend that you upgrade your libx11 packages.
Common Vulnerabilities and Exposures (CVE)
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