CVE-2026-19643
5.3
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AWS | aws-sdk-cpp | 0 <= 1.11.861 | affected |
Weaknesses
- CWE-125: CWE-125 Out-of-bounds read
References
- https://github.com/aws/aws-sdk-cpp/releases/tag/1.11.862
- https://aws.amazon.com/security/security-bulletins/2026-080-aws/
- https://github.com/aws/aws-sdk-cpp/security/advisories/GHSA-mxm9-xpf9-x66x
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