Buffer Overflow Flaw in Xorg X11 Server by Debian
CVE-2017-12187
9.8CRITICAL
What is CVE-2017-12187?
An insufficient length validation issue in the RENDER extension of the Xorg X11 Server prior to version 1.19.5 can be exploited by a malicious X client. This vulnerability may allow the client to crash the X server and could potentially enable the execution of arbitrary code, posing serious security risks for systems running affected versions.

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Affected Version(s)
xorg-x11-server before 1.19.5
References
CVSS V3.1
Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved
