Uncaught Exception Affecting github.com/ethereum/go-ethereum/eth/fetcher package, versions <1.16.8
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMETHEREUMGOETHEREUMETHFETCHER-14927377
- published14 Jan 2026
- disclosed13 Jan 2026
- creditDelene Tchio Romuald
Introduced: 13 Jan 2026
CVE-2026-22862 Â (opens in a new tab)How to fix?
Upgrade github.com/ethereum/go-ethereum/eth/fetcher to version 1.16.8 or higher.
Overview
Affected versions of this package are vulnerable to Uncaught Exception in the handling of failed KZG verification for p2p messages. An attacker can cause a node to shut down or crash by sending a specially crafted message.