CVE-2007-2437

X Window System vulnerability

CVSS

5.5

EPSS

4.4%

EPSS pct

90th

Exploited

No known

The X render (Xrender) extension in X.org X Window System 7.0, 7.1, and 7.2, with Xserver 1.3.0 and earlier, allows remote authenticated users to cause a denial of service (daemon crash) via crafted values to the (1) XRenderCompositeTrapezoids and (2) XRenderAddTraps functions, which trigger a divide-by-zero error.

Affected vendor

X.Org

Affected product

X Window System

CVSS vector

AV:A/AC:L/Au:S/C:N/I:N/A:C

Published

2007-05-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable from an adjacent network, low attack complexity, requiring single-factor authentication. Successful exploitation leads to complete impact to availability.

Its EPSS score of 4.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2007-2437

Confirm whether X.Org X Window System is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2007-2437.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-2437

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