Unrated
Security advisory
untangle is a python library to convert XML data to python objects. untangle versions 1.2.0 and earlier improperly restricts recursive entity references in DTDs. By exploiting this vulnerability, a remote unauthenticated attacker may cause a denial-of-service (DoS) condition on the server where the product is running.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2022-33977
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 22:06 UTC · Revision 1
Source evidence
untangle is a python library to convert XML data to python objects. untangle versions 1.2.0 and earlier improperly restricts recursive entity references in DTDs. By exploiting this vulnerability, a remote unauthenticated attacker may cause a denial-of-service (DoS) condition on the server where the product is running.
osv:CVE-2022-33977
Complete source record
{
"id": "eae777415044883296e1ee9da7e1d5d284af438beb703f4f86a69e46b2f06388",
"url": "https://osv.dev/vulnerability/CVE-2022-33977",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2022-33977",
"summary": "untangle is a python library to convert XML data to python objects. untangle versions 1.2.0 and earlier improperly restricts recursive entity references in DTDs. By exploiting this vulnerability, a remote unauthenticated attacker may cause a denial-of-service (DoS) condition on the server where the product is running.",
"evidence": "osv:CVE-2022-33977",
"products": [],
"severity": "unknown",
"structured": {
"id": "CVE-2022-33977",
"aliases": [
"CVE-2022-33977",
"GHSA-7xr3-6ggc-wc9p",
"PYSEC-2022-243"
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/stchris/untangle",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "35cae38fd0d3dbc099d400ab5893a06960ff40c9"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:untangle_project:untangle:*:*:*:*:*:python:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "1.2.0"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "35cae38fd0d3dbc099d400ab5893a06960ff40c9"
}
],
"source": "REFERENCES_TAG",
"original_tag": "1.2.1"
}
]
}
}
],
"versions": [
"1.2.0",
"1.1.1",
"1.1.0",
"1.0.0",
"0.4.0",
"0.3.1",
"0.3",
"0.2",
"0.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-33977.json"
}
}
],
"modified": "2026-10-28T02:30:24.049295204Z",
"provider": "osv",
"references": [
"https://github.com/stchris/untangle/releases/tag/1.2.1",
"https://jvn.jp/en/jp/JVN30454777/",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/33xxx/CVE-2022-33977.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-33977",
"https://github.com/stchris/untangle"
],
"provider_metadata": {
"cna_assigner": "jpcert",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/33xxx/CVE-2022-33977.json"
}
},
"related_cves": [
{
"value": "CVE-2022-33977",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 490443,
"published_at": "2022-07-26T05:10:44+00:00"
}