CVE-2026-6918

HIGH

Eclipse OpenJ9 0.21-0.58 - Unauthenticated Denial of Service via Crafted TCP Message

Title source: llm
STIX 2.1

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 (6)

Core 6

Scores

CVSS v3 7.5
EPSS 0.0052
EPSS Percentile 40.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-125 CWE-1286
Status published
Products (2)
eclipse/openj9 0.21.0 - 0.59.0
Eclipse Foundation/Eclipse OpenJ9 0.21 - 0.59
Published May 05, 2026
Tracked Since May 05, 2026