How severe is GHSA-vmqh-5232-v43r?

No CVSS score has been assigned to GHSA-vmqh-5232-v43r yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by GHSA-vmqh-5232-v43r?

GHSA-vmqh-5232-v43r affects the following packages: cosmwasm-vm (crates.io), cosmwasm-vm (crates.io), cosmwasm-vm (crates.io), github.com/CosmWasm/wasmvm/v2 (Go), github.com/CosmWasm/wasmvm/v2 (Go), github.com/CosmWasm/wasmvm (Go). Ecosystems affected: crates.io, Go.

How do I fix GHSA-vmqh-5232-v43r?

Update cosmwasm-vm to 2.1.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-vmqh-5232-v43r is resolved across your whole dependency graph.

How do I detect GHSA-vmqh-5232-v43r in my crates.io, Go dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for cosmwasm-vm, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate GHSA-vmqh-5232-v43r if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Is GHSA-vmqh-5232-v43r actively exploited in the wild?

No public exploit code has been indexed for GHSA-vmqh-5232-v43r yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

When was GHSA-vmqh-5232-v43r published, and has it been updated?

GHSA-vmqh-5232-v43r was published on December 10, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🦀 crates.io🐹 Go

Not in CISA KEV

Panic in wasmvm can slow down block productionGHSA-vmqh-5232-v43r

Fix: CosmWasm/cosmwasm@108e7dc

GHSA-vmqh-5232-v43r is a security vulnerability in cosmwasm-vm. A fix is available for cosmwasm-vm — see the affected versions and patch details below.

Published

Dec 10, 2024

Updated

Dec 10, 2024

Affected

6 pkgs

Patched

6 / 6

Exploits

None indexed

Exploitation data as of Dec 10, 2024 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

6 pkgs affected

🦀cosmwasm-vm🦀cosmwasm-vm🦀cosmwasm-vm🐹github.com/CosmWasm/wasmvm/v2🐹github.com/CosmWasm/wasmvm/v2🐹github.com/CosmWasm/wasmvm

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects crates.io packages — download data is not available via public APIs for these ecosystems.

Description

CWA-2024-008

Severity

Medium (Moderate + Likely)¹

Affected versions:

wasmvm >= 2.1.0, < 2.1.3
wasmvm >= 2.0.0, < 2.0.4
wasmvm < 1.5.5
cosmwasm-vm >= 2.1.0, < 2.1.4
cosmwasm-vm >= 2.0.0, < 2.0.7
cosmwasm-vm < 1.5.8

Patched versions:

wasmvm 1.5.5, 2.0.4, 2.1.3
cosmwasm-vm 1.5.8, 2.0.7, 2.1.4

Description of the bug

(Blank for now. We'll add more detail once chains had a chance to upgrade.)

Patch

Applying the patch

The patch will be shipped in releases of wasmvm. You can update more or less as follows:

Check the current wasmvm version: go list -m github.com/CosmWasm/wasmvm
Bump the github.com/CosmWasm/wasmvm dependency in your go.mod to 1.5.5, 2.0.4, 2.1.3 depending on which minor version you are; go mod tidy; commit.
If you use the static libraries libwasmvm_muslc.aarch64.a/libwasmvm_muslc.x86_64.a, update them accordingly.
Check the updated wasmvm version: go list -m github.com/CosmWasm/wasmvm and ensure you see 1.5.5, 2.0.4, 2.1.3.
Follow your regular practices to deploy chain upgrades.

To double check if the correct library version is loaded at runtime, use this query: <appd> query wasm libwasmvm-version. It must show 1.5.5, 2.0.4 or 2.1.3.

The patch is consensus breaking and requires a coordinated upgrade.

Acknowledgement

This issue was found by meadow101 who reported it to the Cosmos Bug Bounty Program on HackerOne.

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.

Timeline

2024-08-22: Confio receives a report through the Cosmos bug bounty program maintained by Amulet.
2024-08-23: Confio security contributors confirm the report.
2024-09-09: Confio developed the patch internally.
2024-09-23: Patch is released.

Footnotes

following Amulet's Severity Classification Framework ACMv1: https://github.com/interchainio/security/blob/e0227a1fb4059144aab4f6003eeee7f09912db3a/resources/CLASSIFICATION_MATRIX.md ↩

Affected Packages

6 total 6 fixed

Ecosystem	Package	Vulnerable range	Fix
🦀crates.io	`cosmwasm-vm`	≥ 2.1.0&&< 2.1.4	2.1.4`cargo update -p cosmwasm-vm --precise 2.1.4`
🦀crates.io	`cosmwasm-vm`	≥ 2.0.0&&< 2.0.7	2.0.7`cargo update -p cosmwasm-vm --precise 2.0.7`
🦀crates.io	`cosmwasm-vm`	all versions	1.5.8`cargo update -p cosmwasm-vm --precise 1.5.8`
🐹Go	`github.com/CosmWasm/wasmvm/v2`	≥ 2.1.0&&< 2.1.3	2.1.3`go get github.com/CosmWasm/wasmvm/v2@v2.1.3`
🐹Go	`github.com/CosmWasm/wasmvm/v2`	≥ 2.0.0&&< 2.0.4	2.0.4`go get github.com/CosmWasm/wasmvm/v2@v2.0.4`
🐹Go	`github.com/CosmWasm/wasmvm`	all versions	1.5.5`go get github.com/CosmWasm/wasmvm@v1.5.5`

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for cosmwasm-vm, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update cosmwasm-vm to 2.1.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-vmqh-5232-v43r is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

# CWA-2024-008 **Severity** Medium (Moderate + Likely)[^1] **Affected versions:** - wasmvm >= 2.1.0, < 2.1.3 - wasmvm >= 2.0.0, < 2.0.4 - wasmvm < 1.5.5 - cosmwasm-vm >= 2.1.0, < 2.1.4 - cosmwasm-vm >= 2.0.0, < 2.0.7 - cosmwasm-vm < 1.5.8 **Patched versions:** - wasmvm 1.5.5, 2.0.4, 2.1.3 - cosmwasm-vm 1.5.8, 2.0.7, 2.1.4 ## Description of the bug (Blank for now. We'll add more detail once chains had a chance to upgrade.) ## Patch - 1.5: https://github.com/CosmWasm/cosmwasm/commit/edcdbc520d4f5521eed42de6e2869658278e91fd - 2.0: https://github.com/CosmWasm/cosmwasm/commit/f63429ca59eb

O3 Security · Impact-Aware SCA

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