CVE-2022-29566: The Bulletproofs 2017/1066 paper mishandles Fiat-Shamir generation because the hash computation fails to inclu

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HIGH 8.1REMOTEMITIGATE

CVE-2022-29566 is a high-severity flaw (CVSS 8.1) affecting bulletproofs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-326
Published	2022-04-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: bulletproofs project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-04-21 19:15 UTCPublished CVE record published
2026-06-17 04:40 UTCUpdated Record last modified

bulletproofs project bulletproofs MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy bulletproofs || rpm -q bulletproofs || bulletproofs --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-29566?

bulletproofs: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-29566 being exploited?

CVE-2022-29566 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-29566 affect?

CVE-2022-29566 affects bulletproofs. Severity is high (CVSS 8.1). 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

How urgent is CVE-2022-29566?

Priority 52/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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