CVE-2018-17294

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Source
https://cve.org/CVERecord?id=CVE-2018-17294
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-17294.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-17294
Downstream
Related
Published
2018-09-21T07:29:00.617Z
Modified
2026-04-11T18:45:15.594109Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

The matchCurrentInput function inside lou_translateString.c of Liblouis prior to 3.7 does not check the input string's length, allowing attackers to cause a denial of service (application crash via out-of-bounds read) by crafting an input file with certain translation dictionaries.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "14.04"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "16.04"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "18.04"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "15.0"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/liblouis/liblouis

Affected ranges

Type
GIT
Repo
https://github.com/liblouis/liblouis
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
97ce1c67fccbd3668291b7e63c06161c095d49f2
Fixed
5e4089659bb49b3095fa541fa6387b4c40d7396e
Database specific 
{
    "source": [
        "CPE_FIELD",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:liblouis:liblouis:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.7.0"
        }
    ]
}

Affected versions

v2.*
v2.6.0
v2.6.1
v3.*
v3.0.0
v3.1.0
v3.2.0
v3.3.0
v3.4.0
v3.6.0

Database specific

vanir_signatures_modified 
"2026-04-11T18:45:15Z"
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-17294.json"
vanir_signatures 
[
    {
        "target": {
            "file": "liblouis/lou_translateString.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "293025375813258006096499344806738091290",
                "202534738202325194255144843342373936495",
                "316992701927929723134959434482094089898",
                "88845949797712808691018509916674065102"
            ]
        },
        "id": "CVE-2018-17294-2f4dd9cf",
        "source": "https://github.com/liblouis/liblouis/commit/5e4089659bb49b3095fa541fa6387b4c40d7396e",
        "signature_type": "Line"
    },
    {
        "target": {
            "function": "matchCurrentInput",
            "file": "liblouis/lou_translateString.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 316.0,
            "function_hash": "10198799392122735941565708499321028572"
        },
        "id": "CVE-2018-17294-aec5fdcc",
        "source": "https://github.com/liblouis/liblouis/commit/5e4089659bb49b3095fa541fa6387b4c40d7396e",
        "signature_type": "Function"
    }
]