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Weekly Signal
Live intelligence Updated 19 Aug 2026 · 20:27 UTC

Canonical, Oracle, Redhat +1 more · Ubuntu Linux, Java SE JDK and JRE, Jdk +4 more

CVE-2011-3544

Oracle Java SE Runtime Environment (JRE) Arbitrary Code Execution Vulnerability

Recommended action

Treat this as an immediate remediation priority. Apply updates per vendor instructions.

View response plan
CVSS9.8
EPSS96.7%
KEVYes
ExploitationConfirmed exploitation
PatchPatch or guidance available ↓

Assessment

Why it matters

CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 96.7%; technical severity is CVSS 9.8.

Unspecified vulnerability in the Java Runtime Environment component in Oracle Java SE JDK and JRE 7 and 6 Update 27 and earlier allows remote untrusted Java Web Start applications and untrusted Java applets to affect confidentiality, integrity, and availability via unknown vectors related to Scripting.

Who should care

  • Teams operating Ubuntu Linux, Java SE JDK and JRE, Jdk +4 more
  • Vulnerability and exposure management teams
  • Security operations teams monitoring exploitation activity

Response plan

What I would do

  1. Confirm whether Ubuntu Linux, Java SE JDK and JRE, Jdk +4 more is present in the environment.
  2. Identify affected versions and establish whether vulnerable services are exposed or reachable.
  3. Apply updates per vendor instructions.
  4. Review relevant security telemetry for evidence of attempted or successful exploitation.
  5. Document the remediation decision and track it to verified completion.

Vendor remediation

Patch and remediation links

Use the vendor source below to confirm the correct fixed version, package or mitigation for your affected product.

Technical details

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-284
Affected versions
Canonical Ubuntu Linux (Version: 11.10); Oracle Java SE JDK and JRE; Oracle Jdk (Version: 1.7.0); Oracle Jre (Version: 1.7.0); Redhat Satellite With Embedded Oracle (Version: 5.4); Suse Linux Enterprise Java (Version: 10); Suse Linux Enterprise Server (Version: 10)
Published
19 October 2011
Attack vector
Network
Privileges required
None
User interaction
None

Signal timeline

  1. CVE published
  2. Added to CISA KEV
  3. Latest EPSS score: 96.7%
  4. Signal calculated at 85

External references

Live public intelligence This assessment combines public-source evidence. Validate the affected product, version and exposure against your own environment before making a risk decision.