Out-of-bounds Write Affecting tmux/tmux package, versions [2.9,3.1)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.69% (50th percentile)

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  • Snyk IDSNYK-UNMANAGED-TMUXTMUX-2367127
  • published26 Jan 2022
  • disclosed6 Nov 2020
  • creditUnknown

Introduced: 6 Nov 2020

CVE-2020-27347  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade tmux/tmux to version 3.1 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write. 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.

References

CVSS Base Scores

version 3.1