Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-5190 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: AMZNCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://aws.amazon.com/security/security-bulletins/2026-011-aws/ AMZN
https://github.com/awslabs/aws-c-event-stream/releases/tag/v0.6.0 AMZN
https://github.com/awslabs/aws-c-event-stream/security/advisories/GHSA-xvjw-fjq5-68hf AMZN

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds WriteAMZN

Affected Products

No affected product data is available for this CVE.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-5190
NVD Published Date:
Mar 31, 2026
NVD Last Modified:
Jul 24, 2026
Source:
AMZN
CVE-2026-5190 Details - Not Deferred