How severe is CVE-2009-1671?

CVE-2009-1671 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2009-1671 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1671?

CVE-2009-1671 affects Sun Jre. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-1671?

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-2009-1671 published?

CVE-2009-1671 was published on 2009-05-18 and last updated on 2026-06-16.

CVE-2009-1671

CVE-2009-1671 is a critical-severity vulnerability in Sun Jre with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 10% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 10% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Sun Jre
Published: 2009-05-18
Last modified: 2026-06-16

Description

Multiple buffer overflows in the Deployment Toolkit ActiveX control in deploytk.dll 6.0.130.3 in Sun Java SE Runtime Environment (aka JRE) 6 Update 13 allow remote attackers to execute arbitrary code via a long string argument to the (1) setInstallerType, (2) setAdditionalPackages, (3) compareVersion, (4) getStaticCLSID, or (5) launch method.

Frequently asked questions

What is CVE-2009-1671?: Multiple buffer overflows in the Deployment Toolkit ActiveX control in deploytk.dll 6.0.130.3 in Sun Java SE Runtime Environment (aka JRE) 6 Update 13 allow remote attackers to execute arbitrary code via a long string argument to the (1) setInstallerType, (2) setAdditionalPackages, (3) compareVersion, (4) getStaticCLSID, or (5) launch method.
How severe is CVE-2009-1671?: CVE-2009-1671 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-1671 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1671?: CVE-2009-1671 affects Sun Jre. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-1671?: 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-2009-1671 published?: CVE-2009-1671 was published on 2009-05-18 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:sun:jre:6:update_13:*:*:*:*:*:*

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