usn-5996-1
Vulnerability from osv_ubuntu
Published
2023-04-04 10:51
Modified
2026-06-25 10:46
Summary
liblouis vulnerabilities
Details
It was discovered that Liblouis incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-26767, CVE-2023-26768, CVE-2023-26769)
References
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2023-26767",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2023-26768",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2023-26769",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "liblouis-bin",
"binary_version": "2.6.4-2ubuntu0.4+esm1"
},
{
"binary_name": "liblouis-data",
"binary_version": "2.6.4-2ubuntu0.4+esm1"
},
{
"binary_name": "liblouis9",
"binary_version": "2.6.4-2ubuntu0.4+esm1"
},
{
"binary_name": "python-louis",
"binary_version": "2.6.4-2ubuntu0.4+esm1"
},
{
"binary_name": "python3-louis",
"binary_version": "2.6.4-2ubuntu0.4+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "liblouis",
"purl": "pkg:deb/ubuntu/liblouis@2.6.4-2ubuntu0.4+esm1?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.4-2ubuntu0.4+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.6.2-2",
"2.6.4-2",
"2.6.4-2ubuntu0.1",
"2.6.4-2ubuntu0.2",
"2.6.4-2ubuntu0.3",
"2.6.4-2ubuntu0.4"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2023-26767",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2023-26768",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2023-26769",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "liblouis-bin",
"binary_version": "3.5.0-1ubuntu0.5"
},
{
"binary_name": "liblouis-data",
"binary_version": "3.5.0-1ubuntu0.5"
},
{
"binary_name": "liblouis14",
"binary_version": "3.5.0-1ubuntu0.5"
},
{
"binary_name": "python-louis",
"binary_version": "3.5.0-1ubuntu0.5"
},
{
"binary_name": "python3-louis",
"binary_version": "3.5.0-1ubuntu0.5"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "liblouis",
"purl": "pkg:deb/ubuntu/liblouis@3.5.0-1ubuntu0.5?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.0-1ubuntu0.5"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.0.0-3ubuntu1",
"3.3.0-1",
"3.4.1-1",
"3.5.0-1",
"3.5.0-1ubuntu0.1",
"3.5.0-1ubuntu0.2",
"3.5.0-1ubuntu0.3",
"3.5.0-1ubuntu0.4"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2023-26767",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2023-26768",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2023-26769",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "liblouis-bin",
"binary_version": "3.12.0-3ubuntu0.2"
},
{
"binary_name": "liblouis-data",
"binary_version": "3.12.0-3ubuntu0.2"
},
{
"binary_name": "liblouis20",
"binary_version": "3.12.0-3ubuntu0.2"
},
{
"binary_name": "python3-louis",
"binary_version": "3.12.0-3ubuntu0.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "liblouis",
"purl": "pkg:deb/ubuntu/liblouis@3.12.0-3ubuntu0.2?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.12.0-3ubuntu0.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.10.0-1",
"3.11.0-2",
"3.11.0-3",
"3.12.0-2",
"3.12.0-3",
"3.12.0-3ubuntu0.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2023-26767",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2023-26768",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2023-26769",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "liblouis-bin",
"binary_version": "3.20.0-2ubuntu0.2"
},
{
"binary_name": "liblouis-data",
"binary_version": "3.20.0-2ubuntu0.2"
},
{
"binary_name": "liblouis20",
"binary_version": "3.20.0-2ubuntu0.2"
},
{
"binary_name": "python3-louis",
"binary_version": "3.20.0-2ubuntu0.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "liblouis",
"purl": "pkg:deb/ubuntu/liblouis@3.20.0-2ubuntu0.2?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.20.0-2ubuntu0.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.18.0-1",
"3.18.0-1build1",
"3.19.0-2",
"3.20.0-2",
"3.20.0-2ubuntu0.1"
]
}
],
"aliases": [],
"details": "It was discovered that Liblouis incorrectly handled certain files.\nAn attacker could possibly use this issue to cause a denial of service.\n(CVE-2023-26767, CVE-2023-26768, CVE-2023-26769)\n",
"id": "USN-5996-1",
"modified": "2026-06-25T10:46:12Z",
"published": "2023-04-04T10:51:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5996-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-26767"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-26768"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-26769"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "liblouis vulnerabilities",
"upstream": [
"UBUNTU-CVE-2023-26767",
"UBUNTU-CVE-2023-26768",
"UBUNTU-CVE-2023-26769"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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