CVE-2026-103431 Affecting collectl package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.18% (7th percentile)

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  • Snyk IDSNYK-DEBIAN12-COLLECTL-20367442
  • published2 Oct 2026
  • disclosed1 Oct 2026

Introduced: 1 Oct 2026

NewCVE-2026-103431  (opens in a new tab)

How to fix?

There is no fixed version for Debian:12 collectl.

NVD Description

Note: Versions mentioned in the description apply only to the upstream collectl package and not the collectl package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

colmux in collectl before 4.3.20.2 does not sanitize ANSI/VT100 terminal escape sequences in data received from remote collectl instances before displaying it, allowing a local user on a monitored host to inject escape sequences into the terminal of an operator running colmux, via a crafted process name (argv[0]).