NRDAX-T0120 - Integer-Overflow Panic Control Message

Fault termination · P2P and gossip · absent invariant · active · first seen 2018-01-01

provenance: Reproduced in NullRabbit's attack-reproduction pipeline

mechanism

CVE-2026-34219 (+CVE-2026-33040): gossipsub ControlPrune backoff≈u64::MAX → Instant/Duration overflow panic

live exposure

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

research

In-depth write-ups of this attack on nullrabbit.ai.

How a single crafted gossipsub PRUNE backoff value panics rust-libp2p nodes via an Instant overflow (CVE-2026-34219) ↗

instances (1)

chain	primitive	fidelity	origin	reproducer (bundle)	source
libp2p	gossipsub_prune_backoff_overflow	lab	reverse-engineered-cve	gossipsub_prune_backoff_overflow	GHSA-xqmp-fxgv-xvq5 ↗

references

cve: CVE-2018-12018

cve: CVE-2025-46597

cve: CVE-2026-31814

cve: CVE-2026-33040

cve: CVE-2026-34219

vendor-advisory: GHPR-Conflux-Chain-conflux-rust-3504

vendor-advisory: GHPR-Conflux-Chain-conflux-rust-3532

vendor-advisory: GHPR-libp2p-rust-libp2p-6467

vendor-advisory: GHPR-near-nearcore-15921

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-T0122 - Integer Signedness Index OOB Crash active NRDAX-T0129 - Invalid Curve Point Panic active

cite

https://nrdax.com/techniques/NRDAX-T0120

plain

NRDAX Registry. Technique NRDAX-T0120.

bibtex

@misc{nrdax_NRDAX_T0120,
  title = {Integer-Overflow Panic Control Message (NRDAX-T0120)},
  howpublished = {NRDAX Registry},
  url = {https://nrdax.com/techniques/NRDAX-T0120},
}

json (csl)

{
  "id": "nrdax-NRDAX-T0120",
  "type": "dataset",
  "title": "Integer-Overflow Panic Control Message (NRDAX-T0120)",
  "URL": "https://nrdax.com/techniques/NRDAX-T0120",
  "publisher": "NRDAX Registry"
}

badge

[![NRDAX-T0120 in the NRDAX registry](https://nrdax.com/badge/NRDAX-T0120.svg)](https://nrdax.com/techniques/NRDAX-T0120-integer-overflow-panic-control-message)

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-T0120

Cite it (BibTeX)

nrdax cite NRDAX-T0120 --format bibtex

CLI guide → GitHub ↗