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CVE-2026-111075

8.7 high SSVC exploitation: none Published
NVD · CVE.org

In Eclipse OpenJ9 versions prior to 0.63.0, the JITServer component fails to perform cross-field validation on attacker-controlled `_size`, `_paddingSize`, and `_dataOffset` fields during `DataDescriptor` message deserialization. An unauthenticated remote attacker can send a crafted network payload that triggers an unsigned integer underflow in `DataDescriptor::getPayloadSize()` and `DataDescriptor::getNextDescriptor()`. This results in an out-of-bounds heap read and an immediate process crash (SIGSEGV), causing a denial of service.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 4

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-26 17:57
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-22 17:21
  3. StatusReceived → PublishedNVD modified 2026-10-21 08:00
  4. First seenCVSS 8.7NVD modified 2026-10-21 08:16

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3