CVE-2026-35562 Allocation of resources without limits in parsing components in Amazon Athena ODBC driver

High 8.7 Published 3 Apr 2026 Updated 20 Oct 2026

Attackers can cause denial of service in Amazon Athena ODBC driver by sending crafted input that triggers excessive resource consumption during parsing.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-35562?

CVE-2026-35562 is a high-severity denial of service vulnerability in Amazon Athena ODBC driver, published on 3 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Allocation of resources without limits in the parsing components in Amazon Athena ODBC driver before 2.1.0.0 might allow a threat actor to cause a denial of service by delivering crafted input that triggers excessive resource consumption during the driver's parsing operations.

To remediate this issue, users should upgrade to version 2.1.0.0.

Weakness: CWE-770

Which versions are affected by CVE-2026-35562?

It affects 1 product.

Products include Amazon Athena Odbc.

How do I fix CVE-2026-35562?

No fix has been published for CVE-2026-35562 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-35562 being exploited?

There is no known exploitation of CVE-2026-35562 in the wild and no public exploit code.

Sources

Also known as GHSA-8867-x23v-j894.