NRDAX-T0106 - Header-Length Preallocation OOM
Memory amplification · P2P and gossip · no bound · 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
live exposure
No exposure data. Slashr ↗ has no risk signal mapped to this technique yet — absence of data is not absence of exposure.
instances (7)
| chain | primitive | fidelity | origin | reproducer (bundle) | source |
|---|---|---|---|---|---|
| bitcoin | btc_oversized_recv_buffer | lab | reverse-engineered-cve | btc_oversized_recv_buffer | bitcoincore.org ↗ |
| libp2p | yamux_syn_oversized_body_panic | lab | reverse-engineered-cve | yamux_syn_oversized_body_panic | - |
| 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 | GHSA-xr93-pcq3-pxf8 ↗ |
| zcash | zcash_zebra_coinbase_script_preallocation_amplification | lab | reverse-engineered-cve | zcash_zebra_coinbase_script_preallocation_amplification | CVE-2026-44500 ↗ |
| zcash | zcash_zebra_equihash_solution_preallocation_amplification | lab | reverse-engineered-cve | zcash_zebra_equihash_solution_preallocation_amplification | CVE-2026-44500 ↗ |
| zcash | zcash_zebra_headers_message_preallocation_amplification | lab | reverse-engineered-cve | zcash_zebra_headers_message_preallocation_amplification | CVE-2026-44500 ↗ |
related (Memory amplification)
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"
} badge
[](https://nrdax.com/techniques/NRDAX-T0106-header-length-preallocation-oom)
use from the CLI
Retrieve or cite this technique from a script or the terminal with the NRDAX Python library & CLI.
nrdax get NRDAX-T0106nrdax cite NRDAX-T0106 --format bibtex