CVE-2009-1100

Jdk vulnerability

CVSS

5.0

EPSS

3.6%

EPSS pct

88th

Exploited

No known

Multiple unspecified vulnerabilities in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 5.0 Update 17 and earlier, and 6 Update 12 and earlier, allow remote attackers to cause a denial of service (disk consumption) via vectors related to temporary font files and (1) "limits on Font creation," aka CR 6522586, and (2) another unspecified vector, aka CR 6632886.

Affected vendor

Sun

Affected product

Jdk

CVSS vector

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

Published

2009-03-25

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 3.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2009-1100

Confirm whether Sun Jdk is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2009-1100.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-1100

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-1100 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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