CVE-2026-19499: Buffer overflow in strfmon and strfmon_l right-justification padding

Overview

Severity

High (CVSS 7.7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-16

EPSS Score

0.38% (percentile: 31.3%)

Affected Products (1)

Other

• 21824-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-16: Information published.