CVE-2026-110938
In Eclipse OpenJ9 versions up to 0.63.0, the JITServer component is vulnerable to denial of service…
- Risk score
- 64/100
- CVSS
- 8.7 v4.0
- Exploit chance (30 days)
- 0.4%
- Published
- 21 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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, immediat…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 8.7 high
- Remotely exploitable without logging in
References
- https://github.com/eclipse-openj9/openj9/pull/25011
- https://gitlab.eclipse.org/security/cve-assignment/-/work_items/407
- https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/943
- https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/944
- https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/946
- https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/947
Original description
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).
Last activity 21 Oct 2026. Patch Forecast updates every hour.