Allocation of Resources Without Limits or Throttling Affecting h3 package, versions >=1.15.8 <1.15.9>=2.0.0-beta.4 <2.0.1-rc.18
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- published24 Mar 2026
- disclosed23 Mar 2026
- creditrestriction
Introduced: 23 Mar 2026
New CVE NOT AVAILABLE CWE-770 (opens in a new tab)How to fix?
Upgrade h3 to version 1.15.9, 2.0.1-rc.18 or higher.
Overview
h3 is a Minimal H(TTP) framework built for high performance and portability.
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the getChunkedCookieCount function. An attacker can cause the server to enter an inefficient cleanup loop by sending a crafted cookie header with a large chunk count value, resulting in excessive resource consumption and server unresponsiveness.
Note: Chunked cookie support was included in 1.15.8 via 61b395e excluded in 1.15.9