CVE-2026-19642

MediumCVSS 5.9/10Last modified Oct 23, 2026

Description

An out-of-bounds write issue in the Base64 decoder in Amazon aws-sdk-cpp before 1.11.862 might allow a remote authenticated user to cause a crash or heap memory corruption in an application that processes crafted Base64-encoded input.

To remediate this issue, users should upgrade to version 1.11.862.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published: Aug 12, 2026
Last modified: Oct 23, 2026
NVD status: Analyzed

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