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CVE-2013-0440

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 through Update 11, 6 through Update 38, 5.0 through Update 38, and 1.4.2_40 and earlier, and OpenJDK 7, allows remote attackers to affect availability via vectors related to JSSE. NOTE: the previous information is from the February 2013 CPU. Oracle has not commented on claims from another vendor that…

Severity
Medium 5.0
Published
2 Feb 2013
Last changed
16 Jun 2026
Added to UpHeron
22 Oct 2026
Exploit chance
5.5% in the next 30 daysHigher than 92% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Description

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 through Update 11, 6 through Update 38, 5.0 through Update 38, and 1.4.2_40 and earlier, and OpenJDK 7, allows remote attackers to affect availability via vectors related to JSSE. NOTE: the previous information is from the February 2013 CPU. Oracle has not commented on claims from another vendor that this issue is related to CPU consumption in the SSL/TLS implementation via a large number of ClientHello packets that are not properly handled by (1) ClientHandshaker.java and (2) ServerHandshaker.java.

From NVD.

Affected software

SoftwareAffected versions
JavaServers and applications · cpe:a:oracle:jdk
  • Version 1.7.0-update11
  • Version 1.7.0-update10
  • Version 1.7.0-update9
  • Version 1.7.0-update7
All 30 release lines
  • Every version up to 1.4.2_40
  • Version 1.4.2_38
  • Version 1.5.0-update36
  • Version 1.5.0-update38
  • Version 1.6.0-update22
  • Version 1.6.0-update23
  • Version 1.6.0-update24
  • Version 1.6.0-update25
  • Version 1.6.0-update26
  • Version 1.6.0-update27
  • Version 1.6.0-update29
  • Version 1.6.0-update30
  • Version 1.6.0-update31
  • Version 1.6.0-update32
  • Version 1.6.0-update33
  • Version 1.6.0-update34
  • Version 1.6.0-update35
  • Version 1.6.0-update37
  • Version 1.6.0-update38
  • Version 1.7.0
  • Version 1.7.0-update1
  • Version 1.7.0-update2
  • Version 1.7.0-update3
  • Version 1.7.0-update4
  • Version 1.7.0-update5
  • Version 1.7.0-update6
  • Version 1.7.0-update7
  • Version 1.7.0-update9
  • Version 1.7.0-update10
  • Version 1.7.0-update11
JavaServers and applications · cpe:a:oracle:jre
  • Version 1.7.0-update11
  • Version 1.7.0-update10
  • Version 1.7.0-update9
  • Version 1.7.0-update7
All 30 release lines
  • Every version up to 1.4.2_40
  • Version 1.4.2_38
  • Version 1.5.0-update36
  • Version 1.5.0-update38
  • Version 1.6.0-update22
  • Version 1.6.0-update23
  • Version 1.6.0-update24
  • Version 1.6.0-update25
  • Version 1.6.0-update26
  • Version 1.6.0-update27
  • Version 1.6.0-update29
  • Version 1.6.0-update30
  • Version 1.6.0-update31
  • Version 1.6.0-update32
  • Version 1.6.0-update33
  • Version 1.6.0-update34
  • Version 1.6.0-update35
  • Version 1.6.0-update37
  • Version 1.6.0-update38
  • Version 1.7.0
  • Version 1.7.0-update1
  • Version 1.7.0-update2
  • Version 1.7.0-update3
  • Version 1.7.0-update4
  • Version 1.7.0-update5
  • Version 1.7.0-update6
  • Version 1.7.0-update7
  • Version 1.7.0-update9
  • Version 1.7.0-update10
  • Version 1.7.0-update11

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2013-0440
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2013-0440