HIGHCVSS v4 8.7Vulnerability

CVE-2026-110938

In Eclipse OpenJ9 versions up to 0.63.0, the JITServer component is vulnerable to denial of service due to improper boundary checks during protocol message and reply handling. An unauthenticated remote attacker or malicious JITServer can transmit malformed network payloads that cause out-of-bounds heap reads, immediately crashing the JITServer daemon or client JVM process via a segmentation fault (SIGSEGV).

Properties

Severity
HIGH
Nvd fetched at
2026-10-22T22:14:18.200859+00:00
Epss score
0.00415
Cvss severity
HIGH
Cvss score
8.7
Retrieved at
2026-10-22T22:17:33+00:00
Last source
FIRST EPSS
Score
8.7
Cvss version
4.0
Cve id
CVE-2026-110938
Cvss vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
First seen by Signal
2026-10-21T22:34:38+00:00
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published at
2026-10-21T09:17:06.717
Last modified
2026-10-22T17:21:57.293
Epss percentile
0.347

Related Entities (2)

HAS_WEAKNESS (2)

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CVE-2026-110938 (CVSS v4 8.7) — Ninja Signal Threat Intelligence | Ninja Signal