High
python-cleo — security advisory
An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the cleo PyPI package, when an attacker is able to supply arbitrary input to the Table.set_rows method
- Products
- python-cleo
- Affected versions
- 0.8.1-2, 0.8.1-3, 0.8.1-4, 2.0.1-5, 2.1.0-1, 2.1.0-2, 2.2.1-4, 2.2.1-5
- Fixed versions
- Not specified
- CVEs
- CVE-2022-42966
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:38 UTC · Revision 1
Source evidence
An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the cleo PyPI package, when an attacker is able to supply arbitrary input to the Table.set_rows method
osv:UBUNTU-CVE-2022-42966
python-cleo
Fixed versions: Not specified
python-cleo
Fixed versions: Not specified
python-cleo
Fixed versions: Not specified
python-cleo
Fixed versions: Not specified
python-cleo
Fixed versions: Not specified
Complete source record
{
"id": "9052985f34d2d549165fdb8161fd3786799cc8deea1a5f3067221c9f57815c9f",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2022-42966",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2022-42966",
"summary": "An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the cleo PyPI package, when an attacker is able to supply arbitrary input to the Table.set_rows method",
"evidence": "osv:UBUNTU-CVE-2022-42966",
"products": [
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"name": {
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},
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{
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"evidence": "/affected/0/versions"
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{
"value": "0.8.1-4",
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{
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],
"severity": "high",
"structured": {
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"aliases": [
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"metrics": [
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"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
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{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
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"type": "ECOSYSTEM",
"events": [
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"package": {
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"ecosystem": "Ubuntu:22.04:LTS"
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"versions": [
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"package": {
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"purl": "pkg:deb/ubuntu/python-cleo?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
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"2.1.0-1",
"2.1.0-2"
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"database_specific": {
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"versions": [
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"purl": "pkg:deb/ubuntu/python-cleo?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
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],
"database_specific": {
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{
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"purl": "pkg:deb/ubuntu/python-cleo?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
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],
"database_specific": {
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],
"modified": "2026-10-17T12:57:15.870319071Z",
"provider": "osv",
"upstream": [
"CVE-2022-42966"
],
"references": [
"https://ubuntu.com/security/CVE-2022-42966",
"https://research.jfrog.com/vulnerabilities/cleo-redos-xray-257186/",
"https://www.cve.org/CVERecord?id=CVE-2022-42966"
]
},
"related_cves": [
{
"value": "CVE-2022-42966",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 357056,
"published_at": "2022-11-09T20:15:00+00:00"
}