CVE-2013-2436

CVE-2013-2436 is a critical-severity vulnerability in Oracle Jre 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.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 6% (92nd percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Oracle Jre
• Published: 2013-04-17
• Last modified: 2026-06-16

Description

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 17 and earlier, and OpenJDK 7, allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Libraries, a different vulnerability than CVE-2013-1488 and CVE-2013-2426. NOTE: the previous information is from the April 2013 CPU. Oracle has not commented on claims from another vendor that this issue is related to incorrect "type checks" and "method handle binding" involving Wrapper.convert.

Frequently asked questions

What is CVE-2013-2436?

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 17 and earlier, and OpenJDK 7, allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Libraries, a different vulnerability than CVE-2013-1488 and CVE-2013-2426. NOTE: the previous information is from the April 2013 CPU. Oracle has not commented on claims from another vendor that this issue is related to incorrect "type checks" and "method handle binding" involving Wrapper.convert.

How severe is CVE-2013-2436?

CVE-2013-2436 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2013-2436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-2436?

CVE-2013-2436 primarily affects Oracle Jre. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-2436?

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-2013-2436 published?

CVE-2013-2436 was published on 2013-04-17 and last updated on 2026-06-16.

References

• http://blog.fuseyism.com/index.php/2013/04/22/security-icedtea-2-3-9-for-openjdk-7-released/
• http://hg.openjdk.java.net/jdk7u/jdk7u-dev/jdk/rev/20f287fec09f
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00099.html
• http://rhn.redhat.com/errata/RHSA-2013-0752.html
• http://rhn.redhat.com/errata/RHSA-2013-0757.html
• http://security.gentoo.org/glsa/glsa-201406-32.xml
• http://www-01.ibm.com/support/docview.wss?uid=swg21644197
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:161
• http://www.oracle.com/technetwork/topics/security/javacpuapr2013-1928497.html
• http://www.ubuntu.com/usn/USN-1806-1
• http://www.us-cert.gov/ncas/alerts/TA13-107A
• https://bugzilla.redhat.com/show_bug.cgi?id=952550
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16540
• https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0130

Affected products (28)

• cpe:2.3:a:oracle:jre:*:update17:*:*:*:*:*:*
• cpe:2.3:a:oracle:jre:1.7.0:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:jre:1.7.0:update1:*:*:*:*:*:*
• cpe:2.3:a:oracle:jre:1.7.0:update10:*:*:*:*:*:*
• cpe:2.3:a:oracle:jre:1.7.0:update11:*:*:*:*:*:*
• cpe:2.3:a:oracle:jre:1.7.0:update13:*:*:*:*:*:*
• cpe:2.3:a:oracle:jre:1.7.0:update15:*:*:*:*:*:*
• cpe:2.3:a:oracle:jre:1.7.0:update2:*:*:*:*:*:*
• cpe:2.3:a:oracle:jre:1.7.0:update3:*:*:*:*:*:*
• cpe:2.3:a:oracle:jre:1.7.0:update4:*:*:*:*:*:*
• cpe:2.3:a:oracle:jre:1.7.0:update5:*:*:*:*:*:*
• cpe:2.3:a:oracle:jre:1.7.0:update6:*:*:*:*:*:*
• cpe:2.3:a:oracle:jre:1.7.0:update7:*:*:*:*:*:*
• cpe:2.3:a:oracle:jre:1.7.0:update9:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:*:update17:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:1.7.0:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:1.7.0:update1:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:1.7.0:update10:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:1.7.0:update11:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:1.7.0:update13:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:1.7.0:update15:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:1.7.0:update2:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:1.7.0:update3:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:1.7.0:update4:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:1.7.0:update5:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:1.7.0:update6:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:1.7.0:update7:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:1.7.0:update9:*:*:*:*:*:*

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