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.
- Score
- CVSS 4.0 6.0 Medium
- Status
- Analyzed - ff89ba41-3aa1-4d27-914a-91399e9639e5
- Published
- 2026-08-12
- Last modified
- 2026-10-23
- Weaknesses
- CWE-787
Affected products
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-wxx3-prfc-69xx
