ubuntu-cve-2023-40890
Vulnerability from osv_ubuntu
Published
2023-08-29 17:15
Modified
2026-05-20 15:02
Summary
Details
A stack-based buffer overflow vulnerability exists in the lookup_sequence function of ZBar 0.23.90. Specially crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger this vulnerability, an attacker can digitally input the malicious QR code, or prepare it to be physically scanned by the vulnerable scanner.
Severity
9.8 (Critical)
9.8 (Critical)
N/A (UNKNOWN)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libbarcode-zbar-perl",
"binary_version": "0.23-1.3ubuntu0.1~esm1"
},
{
"binary_name": "libzbar0",
"binary_version": "0.23-1.3ubuntu0.1~esm1"
},
{
"binary_name": "libzbargtk0",
"binary_version": "0.23-1.3ubuntu0.1~esm1"
},
{
"binary_name": "libzbarqt0",
"binary_version": "0.23-1.3ubuntu0.1~esm1"
},
{
"binary_name": "python3-zbar",
"binary_version": "0.23-1.3ubuntu0.1~esm1"
},
{
"binary_name": "zbar-tools",
"binary_version": "0.23-1.3ubuntu0.1~esm1"
},
{
"binary_name": "zbarcam-gtk",
"binary_version": "0.23-1.3ubuntu0.1~esm1"
},
{
"binary_name": "zbarcam-qt",
"binary_version": "0.23-1.3ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "zbar",
"purl": "pkg:deb/ubuntu/zbar@0.23-1.3ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.23-1.3ubuntu0.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.23-1.1",
"0.23-1.2",
"0.23-1.3"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libbarcode-zbar-perl",
"binary_version": "0.23.92-4ubuntu0.1~esm1"
},
{
"binary_name": "libzbar0",
"binary_version": "0.23.92-4ubuntu0.1~esm1"
},
{
"binary_name": "libzbargtk0",
"binary_version": "0.23.92-4ubuntu0.1~esm1"
},
{
"binary_name": "libzbarqt0",
"binary_version": "0.23.92-4ubuntu0.1~esm1"
},
{
"binary_name": "python3-zbar",
"binary_version": "0.23.92-4ubuntu0.1~esm1"
},
{
"binary_name": "zbar-tools",
"binary_version": "0.23.92-4ubuntu0.1~esm1"
},
{
"binary_name": "zbarcam-gtk",
"binary_version": "0.23.92-4ubuntu0.1~esm1"
},
{
"binary_name": "zbarcam-qt",
"binary_version": "0.23.92-4ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:22.04:LTS",
"name": "zbar",
"purl": "pkg:deb/ubuntu/zbar@0.23.92-4ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.23.92-4ubuntu0.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.23.90-1",
"0.23.92-4",
"0.23.92-4build2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "gir1.2-zbar-1.0",
"binary_version": "0.23.93-8"
},
{
"binary_name": "libbarcode-zbar-perl",
"binary_version": "0.23.93-8"
},
{
"binary_name": "libzbar0t64",
"binary_version": "0.23.93-8"
},
{
"binary_name": "libzbargtk0t64",
"binary_version": "0.23.93-8"
},
{
"binary_name": "libzbarqt0t64",
"binary_version": "0.23.93-8"
},
{
"binary_name": "python3-zbar",
"binary_version": "0.23.93-8"
},
{
"binary_name": "zbar-tools",
"binary_version": "0.23.93-8"
},
{
"binary_name": "zbarcam-gtk",
"binary_version": "0.23.93-8"
},
{
"binary_name": "zbarcam-qt",
"binary_version": "0.23.93-8"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "zbar",
"purl": "pkg:deb/ubuntu/zbar@0.23.93-8?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.23.93-7",
"0.23.93-8"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "gir1.2-zbar-1.0",
"binary_version": "0.23.93-9ubuntu1"
},
{
"binary_name": "libbarcode-zbar-perl",
"binary_version": "0.23.93-9ubuntu1"
},
{
"binary_name": "libzbar0t64",
"binary_version": "0.23.93-9ubuntu1"
},
{
"binary_name": "libzbargtk0t64",
"binary_version": "0.23.93-9ubuntu1"
},
{
"binary_name": "libzbarqt0t64",
"binary_version": "0.23.93-9ubuntu1"
},
{
"binary_name": "python3-zbar",
"binary_version": "0.23.93-9ubuntu1"
},
{
"binary_name": "zbar-tools",
"binary_version": "0.23.93-9ubuntu1"
},
{
"binary_name": "zbarcam-gtk",
"binary_version": "0.23.93-9ubuntu1"
},
{
"binary_name": "zbarcam-qt",
"binary_version": "0.23.93-9ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "zbar",
"purl": "pkg:deb/ubuntu/zbar@0.23.93-9ubuntu1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.23.93-8",
"0.23.93-9ubuntu1"
]
}
],
"aliases": [],
"details": "A stack-based buffer overflow vulnerability exists in the lookup_sequence function of ZBar 0.23.90. Specially crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger this vulnerability, an attacker can digitally input the malicious QR code, or prepare it to be physically scanned by the vulnerable scanner.",
"id": "UBUNTU-CVE-2023-40890",
"modified": "2026-05-20T15:02:50Z",
"published": "2023-08-29T17:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-40890"
},
{
"type": "REPORT",
"url": "https://hackmd.io/@cspl/H1PxPAUnn"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-40890"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7118-1"
}
],
"related": [
"USN-7118-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2023-40890"
]
}
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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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