CVE-2009-3881

highpriority · track · 31EPSS 0.027 · 86 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.67% (86th) EPSS

CVSS 7.5 · high

Is it mine?

6 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

Sun Java SE 5.0 before Update 22 and 6 before Update 17, and OpenJDK, does not prevent the existence of children of a resurrected ClassLoader, which allows remote attackers to gain privileges via unspecified vectors, related to an "information leak vulnerability," aka Bug Id 6636650.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USprimary

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
sun jre≤ 1.5.0nvdUScpe:2.3:a:sun:jre:*:*:*:*:*:*:*:*
sun jre≤ 1.6.0nvdUScpe:2.3:a:sun:jre:*:*:*:*:*:*:*:*
sun jre= 1.5.0nvdUScpe:2.3:a:sun:jre:*:*:*:*:*:*:*:*
sun jre= 1.6.0nvdUScpe:2.3:a:sun:jre:*:*:*:*:*:*:*:*
sun openjdkall versionsnvdUScpe:2.3:a:sun:openjdk:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2009-11-09modified 2026-06-16

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+19411 more

references (16)

External citations — patches, advisories, analysis.

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