CVE-2026-18743: Popt-devel: popt-static: short realloc in poptconfigfiletostring

Overview

Severity

Low (CVSS 2.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-02

Last Updated

2026-10-02

EPSS Score

0.14% (percentile: 3.1%)

Affected Products (3)

Open Source Software

• azl3 popt 1.19-1 on Azure Linux 3.0

Other

• 21597-17084
• 21845-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-02: Information published.
• 2026-09-03: Information published.
• 2026-09-08: Information published.
• 2026-09-09: Information published.
• 2026-09-28: Information published.
• 2026-10-02: Information published.