How severe is CVE-2009-1896?

CVE-2009-1896 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2009-1896 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1896?

CVE-2009-1896 affects Sun Openjdk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-1896?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2009-1896 published?

CVE-2009-1896 was published on 2009-08-10 and last updated on 2026-06-16.

CVE-2009-1896

CVE-2009-1896 is a critical-severity vulnerability in Sun Openjdk with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Sun Openjdk
Published: 2009-08-10
Last modified: 2026-06-16

Description

The Java Web Start framework in IcedTea in OpenJDK before 1.6.0.0-20.b16.fc10 on Fedora 10, and before 1.6.0.0-27.b16.fc11 on Fedora 11, trusts an entire application when at least one of the listed jar files is trusted, which allows context-dependent attackers to execute arbitrary code without the untrusted-code restrictions via a crafted application, related to NetX.

Frequently asked questions

What is CVE-2009-1896?: The Java Web Start framework in IcedTea in OpenJDK before 1.6.0.0-20.b16.fc10 on Fedora 10, and before 1.6.0.0-27.b16.fc11 on Fedora 11, trusts an entire application when at least one of the listed jar files is trusted, which allows context-dependent attackers to execute arbitrary code without the untrusted-code restrictions via a crafted application, related to NetX.
How severe is CVE-2009-1896?: CVE-2009-1896 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2009-1896 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1896?: CVE-2009-1896 affects Sun Openjdk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-1896?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-1896 published?: CVE-2009-1896 was published on 2009-08-10 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:sun:openjdk:*:*:*:*:*:*:*:*

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