CVE-2026-35559 Amazon CVE debrief

Who should care

Defenders responsible for Amazon Athena ODBC driver deployments should assess exposure and prioritize upgrading to version 2.1.0.0. Roles responsible for Amazon Athena deployments and ODBC driver management should review affected scope, severity, and vendor guidance. Security teams and vulnerability management teams should also be aware of the potential impact and plan for remediation.

Why it matters

Defenders should care about CVE-2026-35559 because it involves an out-of-bounds write vulnerability in Amazon Athena ODBC driver versions before 2.1.0.0, potentially leading to driver crashes. Roles responsible for Amazon Athena deployments and ODBC driver management should assess exposure and prioritize remediation. Evidence is limited, and verification is needed for affected versions, exploitation, and impact.

• Potential driver crashes due to specially crafted query data
• Need for verification of affected versions and deployments
• Remediation priority for Amazon Athena ODBC driver versions before 2.1.0.0
• Limited evidence on exploitation or impact, requiring further verification

Technical summary

The Amazon Athena ODBC driver versions before 2.1.0.0 contain an out-of-bounds write vulnerability in query processing components. This issue might allow a threat actor to crash the driver using specially crafted data during query operations. The vulnerability is in the query processing components, which could lead to driver crashes with specially crafted data. Affected deployments should be reviewed and updated to version 2.1.0.0. Evidence from the CVE record and NVD entry supports this assessment, but further verification is needed for affected versions and deployments.

Defensive priority

Upgrade to version 2.1.0.0 to address the out-of-bounds write vulnerability in Amazon Athena ODBC driver versions before 2.1.0.0.

Recommended defensive actions

• Upgrade Amazon Athena ODBC driver to version 2.1.0.0
• Review and update affected deployments
• Monitor for potential query processing issues
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and NVD entry provide details on the out-of-bounds write vulnerability in Amazon Athena ODBC driver versions before 2.1.0.0. Vendor advisory and release notes are available for remediation guidance.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.