CVE-2010-0840 — Oracle JRE Unspecified Vulnerability

Unspecified vulnerability in the Java Runtime Environment component in Oracle Java SE and Java for Business 6 Update 18, 5.0 Update 23, and 1.4.2_25 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors. NOTE: the previous information

01What is this vulnerability?

Unspecified vulnerability in the Java Runtime Environment component in Oracle Java SE and Java for Business 6 Update 18, 5.0 Update 23, and 1.4.2_25 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors. NOTE: the previous information was obtained from the March 2010 CPU. Oracle has not commented on claims from a reliable researcher that this is…

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-05-25. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2010-04-01T16:00:00.000Z
• Last modified: 2025-10-22T00:05:52.754Z
• Added to CISA KEV: 2022-05-25
• BOD 22-01 due: 2022-06-15

09References

• lists.apple.com — http://lists.apple.com/archives/security-announce/2010//May/msg00001.html
• marc.info — http://marc.info/?l=bugtraq&m=134254866602253&w=2
• www.securityfocus.com — http://www.securityfocus.com/archive/1/510528/100/0/threaded
• secunia.com — http://secunia.com/advisories/39317
• www.redhat.com — http://www.redhat.com/support/errata/RHSA-2010-0383.html
• secunia.com — http://secunia.com/advisories/40545
• www.vupen.com — http://www.vupen.com/english/advisories/2010/1454
• oval.cisecurity.org — https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3…
• secunia.com — http://secunia.com/advisories/39819
• www.vupen.com — http://www.vupen.com/english/advisories/2010/1107
• www.redhat.com — http://www.redhat.com/support/errata/RHSA-2010-0338.html
• www.vupen.com — http://www.vupen.com/english/advisories/2010/1793
• lists.apple.com — http://lists.apple.com/archives/security-announce/2010//May/msg00002.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
• secunia.com — http://secunia.com/advisories/43308
• www.oracle.com — http://www.oracle.com/technetwork/topics/security/cpuoct2010-175626.html
• itrc.hp.com — http://itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02273751
• marc.info — http://marc.info/?l=bugtraq&m=127557596201693&w=2
• www.oracle.com — http://www.oracle.com/technetwork/topics/security/javacpumar2010-083341.html
• www.redhat.com — http://www.redhat.com/support/errata/RHSA-2010-0339.html
• marc.info — http://marc.info/?l=bugtraq&m=127557596201693&w=2
• secunia.com — http://secunia.com/advisories/39292
• support.apple.com — http://support.apple.com/kb/HT4170
• www.vupen.com — http://www.vupen.com/english/advisories/2010/1523
• www.vmware.com — http://www.vmware.com/support/vsphere4/doc/vsp_vc41_u1_rel_notes.html
• www.securityfocus.com — http://www.securityfocus.com/bid/39065
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00001.html
• secunia.com — http://secunia.com/advisories/39659
• www.redhat.com — http://www.redhat.com/support/errata/RHSA-2010-0471.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html