CVE-2009-3933

Webkit vulnerability

CVSS

5.0

EPSS

3.1%

EPSS pct

86th

Exploited

No known

WebKit before r50173, as used in Google Chrome before 3.0.195.32, allows remote attackers to cause a denial of service (CPU consumption) via a web page that calls the JavaScript setInterval method, which triggers an incompatibility between the WTF::currentTime and base::Time functions.

Affected vendor

Webkit

Affected product

Webkit

CVSS vector

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

Weakness type (CWE)

CWE-399

Published

2009-11-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2009-3933

Confirm whether Webkit Webkit is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2009-3933.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-3933

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-3933 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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