Out-of-bounds Write Affecting tmux package, versions <3.1c-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.69% (50th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-TMUX-1035821
  • published4 Nov 2020
  • disclosed6 Nov 2020

Introduced: 4 Nov 2020

CVE-2020-27347  (opens in a new tab)
CWE-787  (opens in a new tab)
CWE-121  (opens in a new tab)

How to fix?

Upgrade Debian:unstable tmux to version 3.1c-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tmux package and not the tmux package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1