CVE-2008-5352

CVE-2008-5352 is a critical-severity vulnerability in Sun Jdk with a CVSS 2.0 base score of 9.3. 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-189.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 3% (86th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Sun Jdk
• Published: 2008-12-05
• Last modified: 2026-06-16

Description

Integer overflow in the JAR unpacking utility (unpack200) in the unpack library (unpack.dll) in Java Runtime Environment (JRE) for Sun JDK and JRE 6 Update 10 and earlier, and JDK and JRE 5.0 Update 16 and earlier, allows untrusted applications and applets to gain privileges via a Pack200 compressed JAR file that triggers a heap-based buffer overflow.

Frequently asked questions

What is CVE-2008-5352?

Integer overflow in the JAR unpacking utility (unpack200) in the unpack library (unpack.dll) in Java Runtime Environment (JRE) for Sun JDK and JRE 6 Update 10 and earlier, and JDK and JRE 5.0 Update 16 and earlier, allows untrusted applications and applets to gain privileges via a Pack200 compressed JAR file that triggers a heap-based buffer overflow.

How severe is CVE-2008-5352?

CVE-2008-5352 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2008-5352 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-2008-5352?

CVE-2008-5352 primarily affects Sun Jdk. In total, 40 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-5352?

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-2008-5352 published?

CVE-2008-5352 was published on 2008-12-05 and last updated on 2026-06-16.

References

• http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=759
• http://lists.opensuse.org/opensuse-security-announce/2009-01/msg00009.html
• http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00001.html
• http://osvdb.org/50501
• http://rhn.redhat.com/errata/RHSA-2008-1018.html
• http://rhn.redhat.com/errata/RHSA-2008-1025.html
• http://secunia.com/advisories/32991
• http://secunia.com/advisories/33015
• http://secunia.com/advisories/33528
• http://secunia.com/advisories/33709
• http://secunia.com/advisories/33710
• http://secunia.com/advisories/34259
• http://secunia.com/advisories/34972
• http://secunia.com/advisories/37386
• http://security.gentoo.org/glsa/glsa-200911-02.xml
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-244992-1
• http://support.avaya.com/elmodocs2/security/ASA-2009-012.htm
• http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&DocumentOID=829914&poid=
• http://www.redhat.com/support/errata/RHSA-2009-0015.html
• http://www.redhat.com/support/errata/RHSA-2009-0016.html
• http://www.securityfocus.com/bid/32608
• http://www.securitytracker.com/id?1021312
• http://www.us-cert.gov/cas/techalerts/TA08-340A.html
• http://www.vupen.com/english/advisories/2008/3339
• http://www116.nortel.com/pub/repository/CLARIFY/DOCUMENT/2009/03/024431-01.pdf
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6383
• https://rhn.redhat.com/errata/RHSA-2009-0466.html

Affected products (40)

• cpe:2.3:a:sun:jdk:*:update_16:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:*:update_10:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:5.0:update_1:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:5.0:update_10:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:5.0:update_11:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:5.0:update_12:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:5.0:update_13:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:5.0:update_14:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:5.0:update_15:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:5.0:update_2:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:5.0:update_3:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:6:*:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:6:update_1:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:6:update_2:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:6:update_3:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:6:update_4:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:6:update_5:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:6:update_6:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:6:update_7:*:*:*:*:*:*
• cpe:2.3:a:sun:jdk:6:update_8:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:*:update_16:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:*:update_10:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:5.0:*:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:5.0:update_1:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:5.0:update_10:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:5.0:update_11:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:5.0:update_12:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:5.0:update_13:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:5.0:update_14:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:5.0:update_15:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:5.0:update_2:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:6:*:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:6:update_1:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:6:update_2:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:6:update_3:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:6:update_4:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:6:update_5:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:6:update_6:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:6:update_7:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:6:update_8:*:*:*:*:*:*

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