--- title: "CVE-2013-2456\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2013-2456?format=md keywords: index, follow --- # CVE-2013-2456 Publication date 18 June 2013 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 21 and earlier, 6 Update 45 and earlier, and 5.0 Update 45 and earlier, and OpenJDK 7, allows remote attackers to affect confidentiality via unknown vectors related to Serialization. NOTE: the previous information is from the June 2013 CPU. Oracle has not commented on claims from another vendor that this issue is related to improper access checks for subclasses in the ObjectOutputStream class. [Read the notes from the security team](https://ubuntu.com/security/CVE-2013-2456?format=md#notes) ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | openjdk-6 | 13.04 raring | Fixed 6b27-1.12.6-1ubuntu0.13.04.2 | | 12.10 quantal | Fixed 6b27-1.12.6-1ubuntu0.12.10.2 | | 12.04 LTS precise | Fixed 6b27-1.12.6-1ubuntu0.12.04.1 | | 10.04 LTS lucid | Fixed 6b27-1.12.6-1ubuntu0.10.04.1 | | openjdk-6b18 | 13.04 raring | Not in release | | 12.10 quantal | Not in release | | 12.04 LTS precise | Not in release | | 10.04 LTS lucid | Ignored end of life | | openjdk-7 | 13.04 raring | Fixed 7u25-2.3.10-1ubuntu0.13.04.2 | | 12.10 quantal | Fixed 7u25-2.3.10-1ubuntu0.12.10.2 | | 12.04 LTS precise | Fixed 7u25-2.3.10-1ubuntu0.12.04.2 | | 10.04 LTS lucid | Not in release | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ## Notes --- ### [mdeslaur](https://launchpad.net/~mdeslaur) in lucid+, NetX and the plugin moved to the icedtea-web package --- ### [jdstrand](https://launchpad.net/~jdstrand) sun-java6 is not redistributable, no longer in the archive and no longer tracked sun-java5 is EOL upstream and no longer tracked as of 2013-06-19, upstream IcedTea updates are not available updates break the icedtea-web plugin and it will need this fix: http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2013-June/023745.html ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-2456) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-2456) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-2456) * [Debian](https://security-tracker.debian.org/tracker/CVE-2013-2456) ### Related Ubuntu Security Notices (USN) + [USN-1908-1](https://usn.ubuntu.com/USN-1908-1) + OpenJDK 6 vulnerabilities + 23 July 2013 + [USN-1907-1](https://usn.ubuntu.com/USN-1907-1) + OpenJDK 7 vulnerabilities + 16 July 2013 ### Other references * * * *