Eclipse OpenJ9 <=0.60 segfault via nested annotations in .class
CVE-2026-16440 Published on August 19, 2026
In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations causes a segmentation fault.
Vulnerability Analysis
CVE-2026-16440 is exploitable with network access. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2026-16440. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is a Stack Exhaustion Vulnerability?
The product does not properly control the amount of recursion which takes place, consuming excessive resources, such as allocated memory or the program stack.
CVE-2026-16440 has been classified to as a Stack Exhaustion vulnerability or weakness.
Products Associated with CVE-2026-16440
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Affected Versions
Eclipse Foundation Eclipse OpenJ9:- Version 0.8.0 and below 0.60 is affected.