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Not in CISA KEV
HIGH severity

GHSA-ppjg-v974-84cm go-ethereum

HIGH

GHSA-ppjg-v974-84cm is a high-severity (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in github.com/ethereum/go-ethereum. A fix is available for github.com/ethereum/go-ethereum — see the affected versions and patch details below.

Go-Ethereum vulnerable to denial of service via malicious p2p message

Also known asCVE-2023-40591GO-2023-2046
Published
Sep 6, 2023
Updated
Sep 10, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Sep 19, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for GHSA-ppjg-v974-84cm.

EPSS Exploitation Probability

via FIRST.org ↗
1.1%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs65th percentile — riskier than 65% of all scored CVEsHighest risk

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

How urgent is this, really

GHSA-ppjg-v974-84cm plotted by exploitation likelihood (EPSS) against impact (CVSS). The shaded corner — EPSS 50%+ and CVSS 7.0+ — is where this CVE doesn't sit, though severity or exploitability alone can still warrant action.

Where this sits among everything scored

Of 377,166 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Real counts from FIRST.org, not a sample — log-scaled since the landscape is heavily right-skewed.

Real-World Exposure

1 pkg affected
🐹github.com/ethereum/go-ethereum

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

Description

Impact

A vulnerable node, can be made to consume unbounded amounts of memory when handling specially crafted p2p messages sent from an attacker node.

Details

The p2p handler spawned a new goroutine to respond to ping requests. By flooding a node with ping requests, an unbounded number of goroutines can be created, leading to resource exhaustion and potentially crash due to OOM.

Patches

The fix is included in geth version 1.12.1-stable, i.e, 1.12.2-unstable and onwards.

Fixed by https://github.com/ethereum/go-ethereum/pull/27887

Workarounds

No known workarounds.

Credits

This bug was reported by Patrick McHardy and reported via [email protected].

References

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐹Gogithub.com/ethereum/go-ethereumall versions1.12.1-stablego get github.com/ethereum/go-ethereum@v1.12.1-stable

Detection & mitigation playbook

Open-source dependency
  1. Detect

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

  2. Fix

    Update github.com/ethereum/go-ethereum to 1.12.1-stable or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-ppjg-v974-84cm is resolved across your whole dependency graph.

  3. 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.

  4. How O3 protects you

    O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-ppjg-v974-84cm can be triaged on real exposure rather than presence alone.

Tailored to GHSA-ppjg-v974-84cm. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

### Impact A vulnerable node, can be made to consume unbounded amounts of memory when handling specially crafted p2p messages sent from an attacker node. ### Details The p2p handler spawned a new goroutine to respond to `ping` requests. By flooding a node with ping requests, an unbounded number of goroutines can be created, leading to resource exhaustion and potentially crash due to OOM. ### Patches The fix is included in geth version `1.12.1-stable`, i.e, `1.12.2-unstable` and onwards. Fixed by https://github.com/ethereum/go-ethereum/pull/27887 ### Workarounds No known workarounds.
O3 Security · Impact-Aware SCA

Is GHSA-ppjg-v974-84cm in your dependencies?

O3 Security finds GHSA-ppjg-v974-84cm across Go dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

GHSA-ppjg-v974-84cm: DoS (High 7.5) | O3 Security