[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream	v1.6.2 → v1.7.8

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Denial of Service due to Panic in AWS SDK for Go v2 SDK EventStream Decoder

GHSA-xmrv-pmrh-hhx2

More information

Details

CVSSv3.1 Rating: [Medium]
CVSSv3.1 Score: [5.9]
CVSSv3.1 Vector String: [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H]

Summary and Impact

An issue exists in the the EventStream header decoder in AWS SDK for Go v2 in versions predating 2026-03-23. An actor can send a malformed EventStream response frame containing a crafted header value type byte outside the valid range, which can cause the host process to terminate.

Impacted versions: < 2026-03-23

Patches

This issue has been addressed in versions 2026-03-23 and above. We recommend upgrading to the latest version and ensuring any forked or derivative code is patched to incorporate the new fixes.

Workarounds

Not Applicable

References

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

Severity

• CVSS Score: 5.9 / 10 (Medium)
• Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

• https://github.com/aws/aws-sdk-go-v2/security/advisories/GHSA-xmrv-pmrh-hhx2
• https://github.com/aws/aws-sdk-go-v2/releases/tag/release-2026-03-23
• https://github.com/advisories/GHSA-xmrv-pmrh-hhx2

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

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[renovate]

ℹ️ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

• 1 additional dependency was updated

Details:

Package	Change
github.com/aws/smithy-go	v1.20.2 -> v1.24.2