CVE-2026-35559
CWE-787Published: April 3, 2026· Updated: Apr 7, 2026
Official Description
Out-of-bounds write in the query processing components in Amazon Athena ODBC driver before 2.1.0.0 might allow a threat actor to crash the driver by using specially crafted data that is processed by the driver during query operations.
To remediate this issue, users should upgrade to version 2.1.0.0.
Technical Analysis
CVE-2026-35559 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (6)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-35559 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts