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curle_out_of_memory
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cURL · libcurl & CLI
libcurl code CURLE_OUT_OF_MEMORY indicates out of memory during libcurl option/runtime call sequencing.
Quick Answer
Error code CURLE_OUT_OF_MEMORY on your cURL libcurl & CLI means: libcurl code CURLE_OUT_OF_MEMORY indicates out of memory during libcurl option/runtime call sequencing.. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. CURLE_OUT_OF_MEMORY was returned while libcurl handled a request stage related to libcurl option/runtime call sequencing.
  2. Command options, endpoint behavior, or intermediary network components are incompatible with expected transfer flow.
  3. Runtime environment specifics (proxy, cert store, protocol support, or callback behavior) contributed to CURLE_OUT_OF_MEMORY.
How to Fix It
1
Capture verbose output (-v / --trace) and isolate the exact phase where CURLE_OUT_OF_MEMORY appears.
2
Reproduce out_of_memory with a minimal request against a known-good endpoint.
3
Validate protocol, TLS, DNS, proxy, and timeout options tied to libcurl option/runtime call sequencing.
4
Adjust one option at a time until CURLE_OUT_OF_MEMORY clears and transfer completes successfully.
5
Lock the fix into scripts/clients and monitor for CURLE_OUT_OF_MEMORY regression.
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
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