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CVE PROGRAM SOURCE RECORD7.7 High

CVE-2026-5190

AWS C Event Stream Streaming Decoder Stack Buffer Overflow

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

AWS aws-c-event-stream

Default version status: unaffected

  • 0 to < 0.6.0affected

References