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.
Published:Mar 31, 2026
Last Modified:Apr 1, 2026
EPS:Mar 31, 2026
EPSS Score:0.00015
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Aws
Product
Aws-c-event-stream
Aws
Aws-c-event-stream
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
