CVE-2026-11623: tmux image.c image_free use after free

Overview

Severity

Medium (CVSS 4.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jun

Released

2026-06-21

Last Updated

2026-06-22

EPSS Score

0.11% (percentile: 1.7%)

Affected Products (1)

Other

• 21460-17084

Revision History

• 2026-06-21: Information published.
• 2026-06-22: Information published.