CVE-2026-6918

Description

In Eclipse Open9J versions 0.21 to 0.58, a pre-authentication remote attacker can crash JITServer by sending a 32-byte crafted TCP message.

References

• https://github.com/eclipse-openj9/openj9/pull/23793
• https://github.com/eclipse-openj9/openj9/security/advisories/GHSA-q393-vr4c-969r
• https://github.com/eclipse-openj9/openj9/security/advisories/GHSA-q393-vr4c-969r