NRDAX-T0249 - Recursive Message Deserialisation Stack Overflow

Fault termination (also compute amplification) · Consensus ingest · absent invariant · active · first seen 2026-07-01

provenance: Reproduced in NullRabbit's attack-reproduction pipeline

mechanism

GHSA-8wcc-m6j2-qxvm (ASA-2024-0012/0013): deeply-nested protobuf Any → TxDecoder/UnpackAny stack-overflow / exponential CPU+mem in CheckTx (pre-validation)

live exposure

No exposure data. Slashr ↗ has no risk signal mapped to this technique yet — absence of data is not absence of exposure.

instances (2)

chain	primitive	fidelity	origin	reproducer (bundle)	source
cosmos	cosmos_protobuf_nest_bomb	lab	reverse-engineered-cve	cosmos_protobuf_nest_bomb	GHSA-8wcc-m6j2-qxvm ↗
sui	sui_move_recursion	lab	reverse-engineered-cve	sui_move_recursion	CVE-2023-36184 ↗

related (Fault termination)

NRDAX-T0001 - Addr Message Counter Overflow Crash active NRDAX-T0005 - Array Deserialization Memcpy Corruption active NRDAX-T0013 - Bloom Filter Divide-By-Zero Crash active NRDAX-T0024 - Compact Block FillBlock Duplicate Crash active NRDAX-T0056 - Duplicate Input Validation-Bypass Crash active NRDAX-T0101 - Handshake Crypto Validation Bypass Crash active NRDAX-T0120 - Integer-Overflow Panic Control Message active NRDAX-T0122 - Integer Signedness Index OOB Crash active

cite

https://nrdax.com/techniques/NRDAX-T0249

plain

NRDAX Registry. Technique NRDAX-T0249.

bibtex

@misc{nrdax_NRDAX_T0249,
  title = {Recursive Message Deserialisation Stack Overflow (NRDAX-T0249)},
  howpublished = {NRDAX Registry},
  url = {https://nrdax.com/techniques/NRDAX-T0249},
}

json (csl)

{
  "id": "nrdax-NRDAX-T0249",
  "type": "dataset",
  "title": "Recursive Message Deserialisation Stack Overflow (NRDAX-T0249)",
  "URL": "https://nrdax.com/techniques/NRDAX-T0249",
  "publisher": "NRDAX Registry"
}

badge

[![NRDAX-T0249 in the NRDAX registry](https://nrdax.com/badge/NRDAX-T0249.svg)](https://nrdax.com/techniques/NRDAX-T0249-recursive-message-deserialisation-stack-overflow)

use from the CLI

Retrieve or cite this technique from a script or the terminal with the NRDAX Python library & CLI.

Retrieve this technique

nrdax get NRDAX-T0249

Cite it (BibTeX)

nrdax cite NRDAX-T0249 --format bibtex

CLI guide → GitHub ↗