CVE-2021-37819
Estado: ModificadaAlta (7.5)—
PDF Labs pdftk-java v3.2.3 was discovered to contain an infinite loop via the component /text/pdf/PdfReader.java.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.83%
- Percentil entre todas las CVEs puntuadas: 56
- Fecha de la puntuación: 3/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-835
Referencias
- https://gitlab.com/pdftk-java/pdftk/-/merge_requests/21/diffs?commit_id=9b0cbb76c8434a8505f02ada02a94263dcae9247#diff-content-b3cfd29983c793bcae2375502abd5baa8f5d1081
- https://gitlab.com/pdftk-java/pdftk/-/merge_requests/21/diffs?commit_id=9b0cbb76c8434a8505f02ada02a94263dcae9247#diff-content-b3cfd29983c793bcae2375502abd5baa8f5d1081
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-37819",
"cveTags": [],
"metrics": {
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"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,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2022-09-09T22:15:08.767",
"references": [
{
"url": "https://gitlab.com/pdftk-java/pdftk/-/merge_requests/21/diffs?commit_id=9b0cbb76c8434a8505f02ada02a94263dcae9247#diff-content-b3cfd29983c793bcae2375502abd5baa8f5d1081",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://gitlab.com/pdftk-java/pdftk/-/merge_requests/21/diffs?commit_id=9b0cbb76c8434a8505f02ada02a94263dcae9247#diff-content-b3cfd29983c793bcae2375502abd5baa8f5d1081",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-835"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "PDF Labs pdftk-java v3.2.3 was discovered to contain an infinite loop via the component /text/pdf/PdfReader.java."
},
{
"lang": "es",
"value": "Se ha detectado que PDF Labs pdftk-java versión v3.2.3, contiene un bucle infinito por medio del componente /text/pdf/PdfReader.java"
}
],
"lastModified": "2026-06-17T04:01:10.427",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:pdftk-java_project:pdftk-java:3.2.3:*:*:*:*:java:*:*",
"vulnerable": true,
"matchCriteriaId": "138F7C72-36EA-411F-8313-09D5C956BDFE"
}
],
"operator": "OR"
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],
"sourceIdentifier": "cve@mitre.org"
}