CVE-2024-9400

What it actually does

Potential memory corruption triggered by an out-of-memory condition at a precise point during JIT compilation.

Why it matters to the business

Attackers could achieve arbitrary code execution or cause application crashes leading to data exposure or service disruption; low exploitation probability and absence from known ransomware campaigns limit immediate operational risk despite presence in widely used components.

How an attack unfolds

An attacker forces an out-of-memory condition at a critical JIT compilation moment to trigger memory corruption, observed in zero-day campaigns by espionage and financially motivated actors.

How to fix it

Upgrade to the fixed release stdlib (Go) 1.17.11 or later equivalent patched versions for all affected products.

How to confirm the fix worked

Confirm the installed version meets or exceeds the stated fixed release and attempt reproduction of the OOM-triggered JIT scenario in a test environment.

Typical attack path

1. Locate a running instance of an affected application
2. Craft conditions or inputs that induce out-of-memory during JIT compilation
3. Trigger the memory corruption to execute attacker-controlled code or crash the process

How to detect it

Review application and system logs for out-of-memory events occurring during JIT compilation phases followed by unexpected crashes or process anomalies, cross-referenced with known threat actor tactics.

What your security team should do

• Apply the listed fixed versions without delay
• Monitor threat actor activity tied to zero-day exploitation of similar memory issues
• Incorporate memory-corruption and JIT-related crash patterns into detection rules