Vulnerability Details CVE-2026-19642
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 22.0%
CVSS Severity
CVSS v3 Score 5.9