CVE-2009-1095

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-03-25 · updated 2026-06-16
Weakness: CWE-189

Description

Integer overflow in unpack200 in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 5.0 Update 17 and earlier, and 6 Update 12 and earlier, allows remote attackers to access files or execute arbitrary code via a JAR file with crafted Pack200 headers.

Affected products

Sun Jdk: through 1.5.0; through 1.6.0; 1.5.0, 1.5.0-update1, 1.5.0-update10, 1.5.0-update11, 1.5.0-update11_b03, 1.5.0-update12 (+24)
Sun Jre: through 1.5.0; through 1.6.0; 1.5.0, 1.5.0-update1, 1.5.0-update10, 1.5.0-update11, 1.5.0-update12, 1.5.0-update13 (+21)

References

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01745133
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=781
http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00001.html
http://marc.info/?l=bugtraq&m=124344236532162&w=2
http://secunia.com/advisories/34489
http://secunia.com/advisories/34495
http://secunia.com/advisories/34496
http://secunia.com/advisories/34632
http://secunia.com/advisories/34675

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