MEDIUM 6.0 NVD
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 allow a remote authenticated user to crash an
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.
References
- https://aws.amazon.com/security/security-bulletins/2026-080-aws/
- https://github.com/aws/aws-sdk-cpp/releases/tag/1.11.862
- https://github.com/aws/aws-sdk-cpp/security/advisories/GHSA-mxm9-xpf9-x66x
This medium severity vulnerability with a CVSS score of 6.0 was published on 2026-08-12 via NVD.
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