CVE-2020-27347

PoC —

CVSS 3.1

7.8 high

EPSS

<1%p51

Published

Nov 6, 2020 (Nov 6, 2020)

Modified

Jun 17, 2026

Description

In tmux before version 3.1c the function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output.

Vendors: tmux project
Products: tmux
Weakness: CWE-121, CWE-787
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.7%)

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