CVE-2020-27347

HighCVSS 7.8/10Last 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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-121CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Nov 6, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-27347: High severity, CVSS 7.8 | Vulnix