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CVE-2026-83374VulnerabilityPublished

Red Hat Security Advisory: java-1.8.0-openjdk security update for RHEL 9

Affects Red Hat java-1.8.0-openjdkSource GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-83374· Medium 5.9

Not known to be exploited · CVSS 5.9 Medium.

Data as of 11 Nov 2026, 23:06 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 11 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.

Description

The java-1.8.0-openjdk packages provide the OpenJDK 8 Java Runtime Environment and the OpenJDK 8 Java Software Development Kit. Security Fix(es): * JDK: Enhance PKCS5 padding (CVE-2026-83374) * JDK: Enhance TLS certificate handling (CVE-2026-83376) * JDK: Enhance LDAP logins (CVE-2026-83380) * JDK: Enhance SASL Authentication (CVE-2026-83381) * JDK: Enhance WebRowSets (CVE-2026-83387) * JDK: Enhance HTTP Client Response Handling (CVE-2026-83395) * JDK: Enhance Certificate Name Checks (CVE-2026-87294) * JDK: Enhance XPath Expressions (CVE-2026-87290) * JDK: Enhance Network Clients (CVE-2026-87292) * JDK: Enhance RMI connections (CVE-2026-87293) * JDK: Enhance Certificate Constraint Checking (CVE-2026-101516) * JDK: Enhance XML Processing (CVE-2026-83400) * JDK: Enhance JPEG loading (CVE-2026-91334) * JDK: Enhance Template Handling (CVE-2026-87367) * JDK: Enhance Image Handling (CVE-2026-91335) * JDK: Enhance Preferences (CVE-2026-91380) * JDK: Enhance TLS handshakes (CVE-2026-91373) * JDK: Enhance Font Rendering (CVE-2026-91381) * JDK: Enhance Image Processing (CVE-2026-91382) * JDK: Enhance jstatd (CVE-2026-91374) * JDK: Enhance Pack200 unpacking (CVE-2026-91395) * JDK: Improve Pack200 handling (CVE-2026-91396) * JDK: Enhance diagnostic sessions (CVE-2026-91397) * JDK: Enhance SOCKS5 support (CVE-2026-91398) * JDK: Enhance MIDI file handling (CVE-2026-91400) * JDK: Enhance zipfs (CVE-2026-91410) * JDK: Enhance JGSS (CVE-2026-91411) * JDK: Enhance CORBA (CVE-2026-91417) * JDK: Enhance font rendering (CVE-2026-91415) * JDK: Enhance HTTP server parsing (CVE-2026-91451) * JDK: Enhance HTTP Server Handler (CVE-2026-91452) * JDK: Improve HTTP headers (CVE-2026-91453) * JDK: Enhance GIF loading (CVE-2026-91418) * JDK: Enhance TLS Extensions (CVE-2026-91461) * JDK: Enhance krb5 tokens (CVE-2026-91462) * JDK: Enhance krb5 client (CVE-2026-91463) * JDK: Enhance Kerberos validation (CVE-2026-91464) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Note that the OpenJDK RPMs use the system certificate repository rather than one provided by OpenJDK. For updates to remove the compromised eMudhra certificates, please update the ca-certificates package.

References

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