Buffer overflow in Amazon Athena Odbc Driver

CVE-2026-35559

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.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (19.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-35559?
CVE-2026-35559 is a medium-severity vulnerability in Amazon Athena Odbc Driver, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2026-04-03.
How severe is CVE-2026-35559?
Medium severity. CVSS v3 base score is 6.5 out of 10.