NRDAX-T0025 - Compact Block Size Integer Overflow
memory_amp · active · first seen 2026-07-02
provenance: Reproduced in NullRabbit's attack-reproduction pipeline
mechanism
CVE-2025-46597: cmpctblock declaring >1GB short-ids → 32-bit size-calc overflow
instances (1)
| chain | primitive | fidelity | origin | reproducer (bundle) | source |
|---|---|---|---|---|---|
| bitcoin | btc_cmpctblock_overflow | lab | reverse-engineered-cve | btc_cmpctblock_overflow | https://bitcoincore.org/en/2025/10/24/disclose-cve-2025-46597/ ↗ |
related (memory_amp)
NRDAX-T0023 - Coalesced Packet Buffer Leak 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 NRDAX-T0095 - GraphQL Alias Query Amplification active
cite
https://nrdax.com/techniques/NRDAX-T0025
plain
NRDAX Registry. Technique NRDAX-T0025.
bibtex
@misc{nrdax_NRDAX_T0025,
title = {Compact Block Size Integer Overflow (NRDAX-T0025)},
howpublished = {NRDAX Registry},
url = {https://nrdax.com/techniques/NRDAX-T0025},
} json (csl)
{
"id": "nrdax-NRDAX-T0025",
"type": "dataset",
"title": "Compact Block Size Integer Overflow (NRDAX-T0025)",
"URL": "https://nrdax.com/techniques/NRDAX-T0025",
"publisher": "NRDAX Registry"
}