Improper Handling of Highly Compressed Data (Data Amplification) Affecting github.com/smallnest/rpc/protocol package, versions >=0.0.0
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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- published9 Jul 2026
- disclosed8 Jul 2026
- creditUnknown
Introduced: 8 Jul 2026
CVE-2026-59803 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data (Data Amplification) via the Decode function in the wire protocol when processing gzip-compressed messages. An attacker can cause excessive memory allocation and service unavailability by sending a specially crafted compressed message that decompresses to a very large size before authentication.