VULNERABILITY INTELLIGENCE

CVE-2026-5190

CVSS score7.5 HIGH
EPSS probability0.42%
CISA KEVNot currently listed
Published2026-03-31
Last modified2026-10-20
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • ff89ba41-3aa1-4d27-914a-91399e9639e5: CWE-787

Primary references