Skip to content
Heist/ feed
High

DEBIAN-CVE-2026-103431

Type: advisorySource: OSV1 source record

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]).

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-103431

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-103431

collectl

Source reference: /affected/0/package/name

Affected versions
4.3.1-1

Source reference: /affected/0/versions

4.3.20.1-1

Source reference: /affected/0/versions

4.3.20.1-2

Source reference: /affected/0/versions

4.3.20.2-1

Source reference: /affected/0/versions

4.3.6-2

Source reference: /affected/0/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

collectl

Source reference: /affected/1/package/name

Affected versions
4.3.1-1

Source reference: /affected/1/versions

4.3.20.1-1

Source reference: /affected/1/versions

4.3.20.1-2

Source reference: /affected/1/versions

4.3.20.2-1

Source reference: /affected/1/versions

4.3.6-2

Source reference: /affected/1/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

collectl

Source reference: /affected/2/package/name

Affected versions
4.3.1-1

Source reference: /affected/2/versions

4.3.20.1-1

Source reference: /affected/2/versions

4.3.20.1-2

Source reference: /affected/2/versions

4.3.20.2-1

Source reference: /affected/2/versions

4.3.6-2

Source reference: /affected/2/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "collectl",
      "purl": "pkg:deb/debian/collectl?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "4.3.1-1",
      "4.3.20.1-1",
      "4.3.20.1-2",
      "4.3.20.2-1",
      "4.3.6-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103431.json"
    },
    "ecosystem_specific": {
      "urgency": "unimportant"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "collectl",
      "purl": "pkg:deb/debian/collectl?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "4.3.1-1",
      "4.3.20.1-1",
      "4.3.20.1-2",
      "4.3.20.2-1",
      "4.3.6-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103431.json"
    },
    "ecosystem_specific": {
      "urgency": "unimportant"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "collectl",
      "purl": "pkg:deb/debian/collectl?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "4.3.1-1",
      "4.3.20.1-1",
      "4.3.20.1-2",
      "4.3.20.2-1",
      "4.3.6-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103431.json"
    },
    "ecosystem_specific": {
      "urgency": "unimportant"
    }
  }
]
Related CVEs
CVE-2026-103431

Source reference: /upstream

Publisher severity

high

Source reference: /severity/0/score

Linked CVE context

These ratings describe the referenced vulnerabilities and products. They are not a severity rating for every application using this dependency.

CVE-2026-103431 · High

Event
#72816 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement