CVE-2026-110938 JITServer: Multiple Denial of Service vulnerabilities via out-of-bounds heap reads during message and reply parsing
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-110938?
CVE-2026-110938 is a high-severity vulnerability in Eclipse OpenJ9, published on 21 Oct 2026.
Official 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).
Which versions are affected by CVE-2026-110938?
How do I fix CVE-2026-110938?
No fix has been published for CVE-2026-110938 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-110938 being exploited?
There is no known exploitation of CVE-2026-110938 in the wild and no public exploit code.
Sources
Also known as GHSA-vj95-43qj-j5mf.