CVE-2026-5190

Out-of-bounds write in the streaming decoder component in aws-c-event-stream before 0.6.0 might allow a third party operating a server to cause memory corruption leading to arbitrary code execution on a client application that processes crafted event-stream messages. To remediate this issue, users should upgrade to version 0.6.0 or later.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://aws.amazon.com/security/security-bulletins/2026-011-aws/
https://github.com/awslabs/aws-c-event-stream/releases/tag/v0.6.0
https://github.com/awslabs/aws-c-event-stream/security/advisories/GHSA-xvjw-fjq5-68hf

Configurations

No configuration.

History

31 Mar 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-31 18:16

Updated : 2026-06-17 10:58

NVD link : CVE-2026-5190

Mitre link : CVE-2026-5190

CVE.ORG link : CVE-2026-5190

JSON object : View

Products Affected

No product.

CWE

CWE-787

Out-of-bounds Write

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