# ckb (crates.io) vulnerabilities

Source: https://junglewise.ai/threats/technologies/ckb  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/ckb.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 19 vulnerabilities in ckb (crates.io): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, Nervos CKB Permit load cell data from memory, was published on 3 February 2024.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 19 (0 critical, 0 exploited in the wild)

## About ckb (crates.io)

Rust library providing Nervos CKB blockchain client functionality and utilities.

## Latest ckb (crates.io) vulnerabilities

- [Nervos CKB Permit load cell data from memory](https://junglewise.ai/threats/nervos-ckb-permit-load-cell-data-from-memory-0367f10d) (info, published 3 Feb 2024)
- [Nervos CKB Pool does not remove the conflicting transactions from the statistics](https://junglewise.ai/threats/nervos-ckb-pool-does-not-remove-the-conflicting-transactions-from-the-58565ef3) (info, published 3 Feb 2024)
- [Nervos CKB Transaction which calls syscall load_cell_data_hash has nondeterministic result](https://junglewise.ai/threats/nervos-ckb-transaction-which-calls-syscall-load-cell-data-hash-has-11b6a6fd) (info, published 3 Feb 2024)
- [Nervos CKB Snappy decompress length can be very large and causes out of memory error](https://junglewise.ai/threats/nervos-ckb-snappy-decompress-length-can-be-very-large-and-causes-out-of-2106ce01) (info, published 3 Feb 2024)
- [Nervos CKB Panic on malformed input](https://junglewise.ai/threats/nervos-ckb-panic-on-malformed-input-46fdf717) (info, published 3 Feb 2024)
- [Nervos CKB node panics when processing a block which parent timestamp is too new](https://junglewise.ai/threats/nervos-ckb-node-panics-when-processing-a-block-which-parent-timestamp-fb9015d7) (info, published 2 Feb 2024)
- [Nervos CKB BlockTimeTooNew should not be considered as invalid block](https://junglewise.ai/threats/nervos-ckb-blocktimetoonew-should-not-be-considered-as-invalid-block-48dfa1f5) (info, published 2 Feb 2024)
- [Nervos CKB DoS: Process exists when p2p discovery protocol receives unsupported peer IP](https://junglewise.ai/threats/nervos-ckb-dos-process-exists-when-p2p-discovery-protocol-receives-c8a08f17) (info, published 2 Feb 2024)
- [Nervos CKB P2P DoS Attacks](https://junglewise.ai/threats/nervos-ckb-p2p-dos-attacks-e3d6bdaf) (info, published 2 Feb 2024)
- [Nervos CKB Unaligned Pointer Dereference](https://junglewise.ai/threats/nervos-ckb-unaligned-pointer-dereference-e604f470) (info, published 2 Feb 2024)
- [Nervos CKB vulnerable to low-resource flood DDoS attacks through network message](https://junglewise.ai/threats/nervos-ckb-vulnerable-to-low-resource-flood-ddos-attacks-through-64b8a6c0) (info, published 8 Feb 2023)
- [Nervos CKB calculation of program load cycles may be missed when executing in resume mode](https://junglewise.ai/threats/nervos-ckb-calculation-of-program-load-cycles-may-be-missed-when-23218a0c) (info, published 8 Feb 2023)
- [ckb type_id script resume may randomly fail](https://junglewise.ai/threats/ckb-type-id-script-resume-may-randomly-fail-c9ed7713) (info, published 2 Nov 2022)
- [ckb: Transaction header_deps validation issue (network forking)](https://junglewise.ai/threats/ckb-transaction-header-deps-validation-issue-network-forking-80cfa9e4) (info, published 2 Nov 2022)
- [ckb: Large dep group requires a lot of resources to process but the cost to commit the transaction is very low.](https://junglewise.ai/threats/ckb-large-dep-group-requires-a-lot-of-resources-to-process-but-the-cost-8d87ce8f) (info, published 2 Nov 2022)
- [Dep Group Remote Memory Exhaustion (Denial of Service) in ckb](https://junglewise.ai/threats/dep-group-remote-memory-exhaustion-denial-of-service-in-ckb-ad9800b0) (info, published 22 Apr 2022)
- [CVE-2021-45698: RUSTSEC-2021-0107 - Miner fails to get block template when a cell used as a cell dep has been destroyed.](https://junglewise.ai/threats/cve-2021-45698-rpc-call-failure-in-ckb) (low, CVSS 3.1, published 25 Jul 2021)
- [CVE-2021-45700: RUSTSEC-2021-0109 - Process crashes when the cell used as DepGroup is not alive](https://junglewise.ai/threats/cve-2021-45700-process-crashes-when-the-cell-used-as-depgroup-is-not-alive) (low, CVSS 3.1, published 25 Jul 2021)
- [CVE-2021-45699: RUSTSEC-2021-0108 - Remote memory exhaustion in ckb](https://junglewise.ai/threats/cve-2021-45699-allocation-of-resources-without-limits-or-throttling-in-ckb) (low, CVSS 3.1, published 25 Jul 2021)

## Most severe ckb (crates.io) vulnerabilities

- [CVE-2021-45699: RUSTSEC-2021-0108 - Remote memory exhaustion in ckb](https://junglewise.ai/threats/cve-2021-45699-allocation-of-resources-without-limits-or-throttling-in-ckb) (low, CVSS 3.1, published 25 Jul 2021)
- [CVE-2021-45698: RUSTSEC-2021-0107 - Miner fails to get block template when a cell used as a cell dep has been destroyed.](https://junglewise.ai/threats/cve-2021-45698-rpc-call-failure-in-ckb) (low, CVSS 3.1, published 25 Jul 2021)
- [CVE-2021-45700: RUSTSEC-2021-0109 - Process crashes when the cell used as DepGroup is not alive](https://junglewise.ai/threats/cve-2021-45700-process-crashes-when-the-cell-used-as-depgroup-is-not-alive) (low, CVSS 3.1, published 25 Jul 2021)
- [Nervos CKB Permit load cell data from memory](https://junglewise.ai/threats/nervos-ckb-permit-load-cell-data-from-memory-0367f10d) (info, published 3 Feb 2024)
- [Nervos CKB Pool does not remove the conflicting transactions from the statistics](https://junglewise.ai/threats/nervos-ckb-pool-does-not-remove-the-conflicting-transactions-from-the-58565ef3) (info, published 3 Feb 2024)
- [Nervos CKB Transaction which calls syscall load_cell_data_hash has nondeterministic result](https://junglewise.ai/threats/nervos-ckb-transaction-which-calls-syscall-load-cell-data-hash-has-11b6a6fd) (info, published 3 Feb 2024)
- [Nervos CKB Snappy decompress length can be very large and causes out of memory error](https://junglewise.ai/threats/nervos-ckb-snappy-decompress-length-can-be-very-large-and-causes-out-of-2106ce01) (info, published 3 Feb 2024)
- [Nervos CKB Panic on malformed input](https://junglewise.ai/threats/nervos-ckb-panic-on-malformed-input-46fdf717) (info, published 3 Feb 2024)
- [Nervos CKB node panics when processing a block which parent timestamp is too new](https://junglewise.ai/threats/nervos-ckb-node-panics-when-processing-a-block-which-parent-timestamp-fb9015d7) (info, published 2 Feb 2024)
- [Nervos CKB BlockTimeTooNew should not be considered as invalid block](https://junglewise.ai/threats/nervos-ckb-blocktimetoonew-should-not-be-considered-as-invalid-block-48dfa1f5) (info, published 2 Feb 2024)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other crates.io technologies

- [surrealdb (crates.io)](https://junglewise.ai/threats/technologies/surrealdb): 83 vulnerabilities
- [wasmtime (crates.io)](https://junglewise.ai/threats/technologies/wasmtime): 67 vulnerabilities
- [deno (crates.io)](https://junglewise.ai/threats/technologies/deno): 39 vulnerabilities
- [zebrad (crates.io)](https://junglewise.ai/threats/technologies/zebrad): 27 vulnerabilities
- [russh (crates.io)](https://junglewise.ai/threats/technologies/crates-io-russh): 26 vulnerabilities
- [openssl-src (crates.io)](https://junglewise.ai/threats/technologies/openssl-src): 26 vulnerabilities
- [openssl (crates.io)](https://junglewise.ai/threats/technologies/crates-io-openssl): 25 vulnerabilities
- [rustfs (crates.io)](https://junglewise.ai/threats/technologies/rustfs): 25 vulnerabilities
- [coreutils (crates.io)](https://junglewise.ai/threats/technologies/crates-io-coreutils): 21 vulnerabilities
- [apollo-router (crates.io)](https://junglewise.ai/threats/technologies/apollo-router): 13 vulnerabilities
- [deepseek-tui (crates.io)](https://junglewise.ai/threats/technologies/deepseek-tui): 13 vulnerabilities
- [diesel (crates.io)](https://junglewise.ai/threats/technologies/diesel): 13 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "ckb (crates.io) vulnerabilities", https://junglewise.ai/threats/technologies/ckb, 9 November 2026.
