NRDAX-T0106 - Header-Length Preallocation OOM

memory_amp · active · first seen 2026-07-01

provenance: Reproduced in NullRabbit's attack-reproduction pipeline

mechanism

CVE-2015-3641: header length field pre-allocates the receive buffer before the body → per-connection OOM

instances (6)

chain	primitive	fidelity	origin	reproducer (bundle)	source
bitcoin	btc_oversized_recv_buffer	lab	reverse-engineered-cve	btc_oversized_recv_buffer	bitcoincore.org ↗
monero	monero_portable_storage_oom	lab	reverse-engineered-cve	monero_portable_storage_oom	github.com ↗
zcash	zcash_zebra_addr_vector_preallocation_amplification	lab	reverse-engineered-cve	zcash_zebra_addr_vector_preallocation_amplification	https://github.com/advisories/GHSA-xr93-pcq3-pxf8 ↗
zcash	zcash_zebra_coinbase_script_preallocation_amplification	lab	reverse-engineered-cve	zcash_zebra_coinbase_script_preallocation_amplification	https://nvd.nist.gov/vuln/detail/CVE-2026-44500 ↗
zcash	zcash_zebra_equihash_solution_preallocation_amplification	lab	reverse-engineered-cve	zcash_zebra_equihash_solution_preallocation_amplification	https://nvd.nist.gov/vuln/detail/CVE-2026-44500 ↗
zcash	zcash_zebra_headers_message_preallocation_amplification	lab	reverse-engineered-cve	zcash_zebra_headers_message_preallocation_amplification	https://nvd.nist.gov/vuln/detail/CVE-2026-44500 ↗

related (memory_amp)

NRDAX-T0023 - Coalesced Packet Buffer Leak active NRDAX-T0025 - Compact Block Size Integer Overflow active NRDAX-T0038 - Count Underflow Header Serving Amplification active NRDAX-T0042 - Crypto Frame Reassembly Buffer Exhaustion active NRDAX-T0046 - Decompression Bomb Resource Exhaustion active NRDAX-T0059 - Duplicate Transport Parameter Memory Leak active NRDAX-T0061 - Duplicate Tx Mempool Index Desync active NRDAX-T0071 - Ethash Verification Memory Exhaustion active

cite

https://nrdax.com/techniques/NRDAX-T0106

plain

NRDAX Registry. Technique NRDAX-T0106.

bibtex

@misc{nrdax_NRDAX_T0106,
  title = {Header-Length Preallocation OOM (NRDAX-T0106)},
  howpublished = {NRDAX Registry},
  url = {https://nrdax.com/techniques/NRDAX-T0106},
}

json (csl)

{
  "id": "nrdax-NRDAX-T0106",
  "type": "dataset",
  "title": "Header-Length Preallocation OOM (NRDAX-T0106)",
  "URL": "https://nrdax.com/techniques/NRDAX-T0106",
  "publisher": "NRDAX Registry"
}