PT-2025-30106 · Go · Github.Com/Cosmos/Cosmos-Sdk
Published
2025-07-08
·
Updated
2025-07-08
CVSS v4.0
7.7
High
| Vector | AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U |
Description
Name: ISA-2025-005: Integer Overflow in Cosmos SDK
Component: CosmosSDK
Criticality: High (Considerable Impact; Likely Likelihood per [ACMv1.2](https://github.com/interchainio/security/blob/main/resources/CLASSIFICATION MATRIX.md))
Affected versions: <= v0.50.13, <= 0.53.2
Affected users: Validators, Full nodes, Users on chains that utilize the distribution module
Cosmos SDK chains in unpatched releases that use the x/distribution module are affected.
Description
An issue was discovered in the distribution module where a malicious deposit into the Validator Rewards pool would result in an integer overflow that would cause a chain halt. A malicious validator can interact with the distribution module to introduce this state.
Patches
Has the problem been patched? What versions should users upgrade to?
There are no known workarounds for this issue. It is advised that chains apply the update.
This issue was reported to the Cosmos Bug Bounty Program by
myte1111111 on HackerOne on April 15, 2025. If you believe you have found a bug in the Interchain Stack or would like to contribute to the program by reporting a bug, please see https://hackerone.com/cosmos.If you have questions about Interchain security efforts, please reach out to our official communication channel at security@interchain.io. For more information about the Interchain Foundation’s engagement with Amulet, and to sign up for security notification emails, please see https://github.com/interchainio/security.
Fix
Integer Overflow
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Github.Com/Cosmos/Cosmos-Sdk