OpenZeppelin Contracts's GovernorVotesQuorumFraction updates to quorum may affect past defeated proposals
Impact
This issue concerns instances of Governor that use the module GovernorVotesQuorumFraction, a mechanism that determines quorum requirements as a percentage of the voting token's total supply. In affected instances, when a proposal is passed to lower the quorum requirement, past proposals may become executable if they had been defeated only due to lack of quorum, and the number of votes it received meets the new quorum requirement.
Analysis of instances on chain found only one proposal that met this condition, and we are actively monitoring for new occurrences of this particular issue.
Patches
This issue has been patched in v4.7.2.
Workarounds
Avoid lowering quorum requirements if a past proposal was defeated for lack of quorum.
References
https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3561
For more information
If you have any questions or comments about this advisory, or need assistance deploying the fix, email us at security@openzeppelin.com.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de npm | @openzeppelin/contracts | >= 4.3.0, < 4.7.2 | 4.7.2 |
| Paquete de npm | @openzeppelin/contracts-upgradeable | >= 4.3.0, < 4.7.2 | 4.7.2 |
Referencias
- https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-xrc4-737v-9q75
- https://nvd.nist.gov/vuln/detail/CVE-2022-31198
- https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3561
- https://github.com/OpenZeppelin/openzeppelin-contracts
- https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.7.2
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N- Debilidad (CWE)
CWE-682- Plataforma
- npm
- Paquete
@openzeppelin/contracts, @openzeppelin/contracts-upgradeable- Publicada
- 18.08.2022
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-xrc4-737v-9q75 - CC BY 4.0
Historial de vulnerabilidades: @openzeppelin/contracts-upgradeable
Todas las vulnerabilidades publicadas de este paquete (Paquete de npm), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 22
- Primera → última
- 08.2021 07.2025
- Sin corrección
- 0
- Explotada en ataques
- 0
Distribución por gravedad
- Crítica 3
- Alta 5
- Media 12
- Baja 2
Divulgaciones por año
- 2021: 5
- 2022: 8
- 2023: 7
- 2024: 1
- 2025: 1
- 2026: 0
-
OpenZeppelin Contracts's GovernorVotesQuorumFraction updates to quorum may affect past defeated proposals esta entrada
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