Potential denial of service via crafted stream frames

Impact

An issue in s2n-quic could result in unnecessary resource utilization when peers open streams beyond advertised limits.

Impacted versions: <= v1.30.0.

Patches

The patch is included in v1.31.0 [1].

Workarounds

There is no workaround. Applications using s2n-quic should upgrade to the most recent release of s2n-quic.

If you have any questions or comments about this advisory, we ask that you contact AWS Security via our vulnerability reporting page [2] or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.

[1] https://github.com/aws/s2n-quic/releases/tag/v1.31.0

[2] https://aws.amazon.com/security/vulnerability-reporting