CVE-2006-1526: Buffer Overflow

Published May 2, 2006
·
Updated

Buffer overflow in the X render (Xrender) extension in X.org X server 6.8.0 up to allows attackers to cause a denial of service (crash), as demonstrated by the (1) XRenderCompositeTriStrip and (2) XRenderCompositeTriFan requests in the rendertest from XCB xcb/xcb-demo, which leads to an incorrect memory allocation due to a typo in an expression that uses a "&" instead of a "" operator. NOTE: the subject line of the original announcement used an incorrect CVE number for this issue.

Affected Software

4 affected components
X.Org X11R6=6.7.0
X.Org X11R6=6.8
X.Org X11R6=6.8.1
X.Org X11R6=6.9

Event History

May 2, 2006
CVE Published
09:06 PM
May 3, 2006
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2006-1526?

CVE-2006-1526 is rated as a critical vulnerability due to its ability to cause a denial of service by crashing the X.org X server.

2

How do I fix CVE-2006-1526?

To fix CVE-2006-1526, upgrade the X.org X server to version 6.8.1 or higher.

3

What versions of X.org X server are affected by CVE-2006-1526?

CVE-2006-1526 affects X.org X server versions 6.7.0 to 6.9 inclusive.

4

What types of attacks can be executed with CVE-2006-1526?

CVE-2006-1526 can be exploited through specific requests like XRenderCompositeTriStrip and XRenderCompositeTriFan, leading to server crashes.

5

Is CVE-2006-1526 a remote vulnerability?

Yes, CVE-2006-1526 can potentially be exploited remotely, allowing attackers to target the X server over a network.

Contact

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