CVE Watch21 oct 2026

CVE-2026-111074

In Eclipse OpenJ9 versions prior to 0.63.0, the JITServer component is vulnerable to a pre-authentication remote denial of service. When pro

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

0-100

Publicado: 21 oct 2026 · Última mod.: 21 oct 2026 · CWE-190 · CWE-835

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

In Eclipse OpenJ9 versions prior to 0.63.0, the JITServer component is vulnerable to a pre-authentication remote denial of service. When processing the initial 4-byte length field of an incoming TCP connection, an integer overflow in `MessageBuffer::computeRequiredCapacity()` causes the receiving compilation worker thread to enter an infinite loop consuming ~100% CPU. An unauthenticated remote attacker can exploit this by opening a small number of crafted TCP connections to exhaust the entire worker thread pool, silently halting compilation services for all connected client JVMs.

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