IJ59104: FIX SECURITY VULNERABILITY CVE-2026-16439

APAR status

• Closed as program error.

Error description

• Error Message: N/A
  .
  Stack Trace: N/A
  .
  CVSS value:
   CVSS/B=5.8
   CVSS/V=(CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:N/VI:H/VA:H/SC:N/
  SI:L/SA:L)
  .
  

Local fix

Problem summary

• A security vulnerability has been identified.
  

Problem conclusion

• The Java Runtime Environment has been or will be updated to fix
  the problem described in CVE-2026-16439 at
  https://www.cve.org/CVERecord?id=CVE-2026-16439
  .
  This APAR will be fixed in the following Releases:
  .
  IBM Semeru Runtimes
    25              25.0.4.0
    21              21.0.12.0
    17              17.0.20.0
    11              11.0.32.0
  IBM SDK, Java Technology Edition
    8    SR8 FP70  (8.0.8.70)
    7 R1 SR5 FP31  (7.1.5.31) (restricted access)
  .
  Downloads and supplementary documentation can be found at the
  following locations:
  - For non z/OS operating systems:
   - IBM Semeru Runtimes, Version 11 and later
     https://www.ibm.com/semeru-runtimes/downloads/
   - IBM SDK, Java Technology Edition, Version 8
     https://www.ibm.com/support/pages/java-sdk-downloads/
  - For the z/OS operating system:
   - Java SDK Products on z/OS
     https://www.ibm.com/support/pages/java-sdk-products-zos
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  J9 COMMON CODE

• Fixed component ID

  620700127

Applicable component levels