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GHSA-rm66-9gh4-4gp8

cggmp21 vulnerable to ambiguous challenge derivation

2.7 LowFix available

Challenge derivation in non-interactive ZK proofs was ambiguous and that could lead to security vulnerability (however, it's unknown if it could be exploited).

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
None

What each source reports

GitHub Advisories Score used2.7

cggmp21 vulnerable to ambiguous challenge derivation

Challenge derivation in non-interactive ZK proofs was ambiguous and that could lead to security vulnerability (however, it's unknown if it could be exploited).

Record
GHSA-rm66-9gh4-4gp8
CVSS 4.0
2.7 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U
Weakness
CWE-327
Updated
2026-11-02
OSV2.7

cggmp21 vulnerable to ambiguous challenge derivation

Challenge derivation in non-interactive ZK proofs was ambiguous and that could lead to security vulnerability (however, it's unknown if it could be exploited).

Record
GHSA-rm66-9gh4-4gp8
CVSS 4.0
2.7 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U
Weakness
CWE-327
Updated
2026-11-02
OSVRUSTSEC-2024-0393No score

Ambiguous challenge derivation

Challenge derivation in non-interactive ZK proofs was ambiguous and that could lead to security vulnerability (however, it's unknown if it could be exploited).

Record
RUSTSEC-2024-0393
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
cggmp21
crates.io
before 0.4.0
0.4.0
cggmp21
crates.io
0.0.0-0 up to 0.4.0
0.4.0

History

History
RecordedChangedSources
first indexedGitHub Advisories, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

GHSA-rm66-9gh4-4gp8 is a low vulnerability (CVSS 2.7) in cggmp21, published July 18, 2024. No source lists public exploit code. Fixed in cggmp21 0.4.0.

References

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