CVE-2026-6918

EUVD-2026-27315
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 11%
Affected Products (NVD)
VendorProductVersion
eclipseopenj9
0.21.0 ≤
𝑥
< 0.59.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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