CVE-2019-19588
Status: ModifiedHigh (7.5)—
The validators package 0.12.2 through 0.12.5 for Python enters an infinite loop when validators.domain is called with a crafted domain string. This is fixed in 0.12.6.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Base score: 7.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.47%
- Percentile among all scored CVEs: 73
- Score date: 10/3/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-835
References
Raw JSON (NVD)
Show
{
"id": "CVE-2019-19588",
"cveTags": [],
"metrics": {
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"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"authentication": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
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"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
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"product": "n/a",
"versions": [
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}
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]
}
],
"published": "2019-12-05T01:15:14.317",
"references": [
{
"url": "https://github.com/kvesteri/validators/issues/86",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/kvesteri/validators/issues/86",
"tags": [
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],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
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"description": [
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"value": "CWE-835"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The validators package 0.12.2 through 0.12.5 for Python enters an infinite loop when validators.domain is called with a crafted domain string. This is fixed in 0.12.6."
},
{
"lang": "es",
"value": "El paquete validators versiones 0.12.2 hasta la versión 0.12.5 para Python, entra en un bucle infinito cuando validators.domain es llamado con una cadena de dominio especialmente diseñada. Esto se arregla en la versión 0.12.6."
}
],
"lastModified": "2026-06-17T02:26:54.537",
"configurations": [
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"nodes": [
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"cpeMatch": [
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"versionEndIncluding": "0.12.5",
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"operator": "OR"
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"sourceIdentifier": "cve@mitre.org"
}