CVE-2026-5450: scanf %mc off-by-one heap buffer overflow

Overview

Severity
Low (CVSS 3.1)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Exploit Status
Not Exploited
Patch Tuesday
2026-Apr
Released
2026-04-22
EPSS Score
0.04% (percentile: 13.1%)

Affected Products (1)

Open Source Software

  • azl3 glibc 2.38-19 on Azure Linux 3.0

Revision History

  • 2026-04-22: Information published.