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5.3 Medium

CVE-2026-19643 An out-of-bounds read issue in the Base64 decoder in Amazon aws-sdk-cpp before 1.11.862, on some platforms, might…

Description

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.

Affected products and versions

Product Affected versions Fixed in
aws-sdk-cpp 1.11 earliest → 1.11.861 No fix stated

Other CVEs of aws-sdk-cpp

The 2 CVEs of aws-sdk-cpp →
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… 5.9 Medium
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