Skip to main content
CVE-2026-83374VulnerabilityPublished

Red Hat Security Advisory: Java 11 OpenJDK ELS Security Update

Affects Red HatSource GCVE Database

0
Compare

Mentioned vulnerabilities

Authoritative record:CVE-2026-83374· Medium 5.9

Not known to be exploited · CVSS 5.9 Medium.

Data as of 6 Nov 2026, 07:47 UTC

CVSS 3.1 base score
5.9Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (oracle)CVSS 3.15.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Oracle CorporationOracle Java SEAffected
  • 8u503 – 27
7 affected builds
Fixed in–
Oracle CorporationOracle GraalVM for JDKAffected
  • =17.0.20.1
  • =21.0.12.1
Fixed in–
Oracle CorporationOracle GraalVM Enterprise EditionAffected
  • =21.3.19.1.1
Fixed in–
Mavencom.oracle.java/java-sepkg:maven/com.oracle.java/java-seOther threatsAffected
  • 8u503 – 27
8 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Red Hat has released an official security update for java-11-openjdk with Extended Lifecycle Support for RHEL 7, 8, and 9. Users should apply this update promptly to remediate the listed vulnerabilities. Before applying this update, ensure all previously released errata relevant to the system have been applied. Detailed update instructions are available at Red Hat's official documentation (https://access.redhat.com/articles/11258). No additional mitigation steps are indicated beyond applying the update.

Description

Red Hat has released a security update for the java-11-openjdk packages with Extended Lifecycle Support for Red Hat Enterprise Linux versions 7, 8, and 9. This update addresses multiple security vulnerabilities in OpenJDK 11, including enhancements to SASL authentication, PKCS5 padding, TLS certificate handling, LDAP logins, HTTP client and server handling, XML processing, and various other components. The update is important and addresses a broad range of security issues to improve the security posture of the Java runtime environment and development kit.

References

Community reviews

Loading reviews…