CVE-2026-19542: Stack-based out-of-bounds write in tdelete during tree rebalancing

Overview

Severity

Medium (CVSS 5.6)

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-16

EPSS Score

0.28% (percentile: 20.1%)

Affected Products (1)

Other

• 21824-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-16: Information published.