CVE-2026-5190
AWS C Event Stream Streaming Decoder Stack Buffer Overflow
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-787 |
| Vendor | aws |
| Product | aws-c-event-stream |
| Published | Mar 31, 2026 |
| Last Updated | Apr 1, 2026 |
Stay Ahead of the Next One
Get instant alerts for aws aws-c-event-stream
Be the first to know when new high vulnerabilities affecting aws aws-c-event-stream are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
AWS / aws-c-event-stream
All versions affected