Out-of-bounds Write Affecting aws-c-event-stream package, versions [0,]
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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-CONAN-AWSCEVENTSTREAM-15928124
- published8 Apr 2026
- disclosed31 Mar 2026
- creditUnknown
Introduced: 31 Mar 2026
NewCVE-2026-5190 (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 Out-of-bounds Write while decoding header names. An attacker can achieve memory corruption and potentially execute arbitrary code by sending specially crafted event-stream messages to a client application.