CVE-2020-27347

Source
https://nvd.nist.gov/vuln/detail/CVE-2020-27347
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-27347.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-27347
Downstream
Related
Published
2020-11-06T03:15:17.137Z
Modified
2025-11-14T03:36:00.673378Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

In tmux before version 3.1c the function inputcsidispatchsgrcolon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output.

References

Affected packages

Git / github.com/tmux/tmux

Affected ranges

Type
GIT
Repo
https://github.com/tmux/tmux
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

Database specific

vanir_signatures

[
    {
        "target": {
            "function": "input_csi_dispatch_sgr_colon",
            "file": "input.c"
        },
        "deprecated": false,
        "source": "https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701c",
        "signature_type": "Function",
        "signature_version": "v1",
        "digest": {
            "length": 1720.0,
            "function_hash": "170732737008620410805361164261211254853"
        },
        "id": "CVE-2020-27347-4e35a636"
    },
    {
        "target": {
            "file": "input.c"
        },
        "deprecated": false,
        "source": "https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701c",
        "signature_type": "Line",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "240113919815530745566403619576218062793",
                "77253474740385740734274446039228610202",
                "174889705706748848756308818781097816062",
                "12643815915660841977168808069864222592",
                "125294518473082047418332633995689035105"
            ]
        },
        "id": "CVE-2020-27347-c15704b2"
    }
]