CVE-2025-29072

Summary

An integer overflow in Nethermind Juno before v.12.05 within the Sierra bytecode decompression logic within the "cairo-lang-starknet-classes" library could allow remote attackers to trigger an infinite loop (and high CPU usage) by submitting a malicious Declare v2/v3 transaction. This results in a denial-of-service condition for affected Starknet full-node implementations.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://community.starknet.io/t/starknet-security-update-potential-full-node-vulnerability-recap/115314
• https://github.com/NethermindEth/juno/commit/51074875941aa111c5dd2b41f2ec890a4a15b587

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