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CVE-2013-2426

25
FAUCET Score

CVE-2013-2426 is an unspecified vulnerability in the Java Runtime Environment (JRE) component of Oracle Java SE 7 Update 17 and earlier, as well as OpenJDK 6 and 7, related to Libraries. This vulnerability has a critical CVSS score of 9.3, indicating a high potential for remote attackers to compromise confidentiality, integrity, and availability with medium attack complexity. While Oracle has not confirmed specifics, other vendors suggest it involves incorrect invocation of the defaultReadObject method in ConcurrentHashMap, potentially bypassing the Java sandbox. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.7.0CPE matchmatch criteria
cpe:2.3:a:oracle:jre:*:update17:*:*:*:*:*:*
1.7.0CPE matchmatch criteria
cpe:2.3:a:oracle:jre:1.7.0:*:*:*:*:*:*:*
1.7.0CPE matchmatch criteria
cpe:2.3:a:oracle:jre:1.7.0:update1:*:*:*:*:*:*
1.7.0CPE matchmatch criteria
cpe:2.3:a:oracle:jre:1.7.0:update10:*:*:*:*:*:*
1.7.0CPE matchmatch criteria
cpe:2.3:a:oracle:jre:1.7.0:update11:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.69%
Probability of exploitation in next 30 days
EPSS Percentile
92.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0569 is in the 63rd percentile among its peer group of 8,920 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 6Fixed in: java-1.7.0-ibm-1:1.7.0.4.2-1jpp.1.el6_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: java-1.7.0-openjdk-1:1.7.0.19-2.3.9.1.el5_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: java-1.6.0-openjdk-1:1.6.0.0-1.40.1.11.11.el5_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: java-1.7.0-openjdk-1:1.7.0.19-2.3.9.1.el6_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: java-1.6.0-openjdk-1:1.6.0.0-1.61.1.11.11.el6_4
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.7.0-oracle-1:1.7.0.21-1jpp.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.7.0-ibm-1:1.7.0.4.2-1jpp.1.el5_9
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 6Fixed in: java-1.7.0-oracle-1:1.7.0.21-1jpp.1.el6
View patch
oraclevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2013-2426Critical

OpenJDK: ConcurrentHashMap incorrectly calls defaultReadObject() method (Libraries, 8009063)

Apr 16, 2013

References

blog.fuseyism.com / index.php/2013/04/22/security-icedtea-2-3-9-for-openjdk-7-released
blog.fuseyism.com / index.php/2013/04/25/security-icedtea-1-11-11-1-12-5-for-openjdk-6-released
hg.openjdk.java.net / jdk7u/jdk7u-dev/jdk/rev/98ad2f1e25d1
lists.opensuse.org / opensuse-security-announce/2013-05/msg00007.html
lists.opensuse.org / opensuse-updates/2013-05/msg00017.html
lists.opensuse.org / opensuse-updates/2013-06/msg00099.html
mail.openjdk.java.net / pipermail/distro-pkg-dev/2013-April/022796.html
rhn.redhat.com / errata/RHSA-2013-0752.html
rhn.redhat.com / errata/RHSA-2013-0757.html
bugzilla.redhat.com / show_bug.cgi
security.gentoo.org / glsa/glsa-201406-32.xml
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16683
wiki.mageia.org / en/Support/Advisories/MGASA-2013-0124
wiki.mageia.org / en/Support/Advisories/MGASA-2013-0130
mandriva.com / security/advisories
mandriva.com / security/advisories
oracle.com / technetwork/topics/security/javacpuapr2013-1928497.html
Vendor Advisory
ubuntu.com / usn/USN-1806-1
us-cert.gov / ncas/alerts/TA13-107A
US Government Resource