Aws-sdk-cpp CVEs and Security Vulnerabilities

CVE-2026-19642

Out-of-bounds write in the Base64 decoder in Amazon aws-sdk-cpp

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.

CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed

Vendors

Amazon Aws

Products

Aws Software Development Kit Aws-sdk-cpp

CVE-2026-19643

Out-of-bounds read in the Base64 decoder in Amazon aws-sdk-cpp on signed-char platforms

An out-of-bounds read issue in the Base64 decoder in Amazon aws-sdk-cpp before 1.11.862, on some platforms, might allow a remote authenticated user to crash an application that processes crafted Base64-encoded input. To remediate this issue, users should upgrade to version 1.11.862.