What’s Vulnerable › Vulnerabilities

CVE-2022-29566

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-04-21 · updated 2026-06-17
• Weakness: CWE-326

Description

The Bulletproofs 2017/1066 paper mishandles Fiat-Shamir generation because the hash computation fails to include all of the public values from the Zero Knowledge proof statement as well as all of the public values computed in the proof, aka the Frozen Heart issue.

Affected products

• Bulletproofs Project Bulletproofs: all versions

References

• https://blog.trailofbits.com/2022/04/13/part-1-coordinated-disclosure-of-vulnerabilities-affecting-girault-bulletproofs-and-plonk/
• https://eprint.iacr.org/2017/1066
• https://blog.trailofbits.com/2022/04/13/part-1-coordinated-disclosure-of-vulnerabilities-affecting-girault-bulletproofs-and-plonk/
• https://eprint.iacr.org/2017/1066

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