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CVE-2026-89162

Estado: En análisisBaja (3.3)—

In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.

CVSS

Probabilidad de explotación (EPSS)

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

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-89162",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-89162",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-14T14:56:58.709598Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
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          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
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          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
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        "source": "nvd@nist.gov",
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          "integrityImpact": "NONE",
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          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
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        "exploitabilityScore": 1.8
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  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "PCRE",
          "product": "PCRE2",
          "versions": [
            {
              "status": "affected",
              "version": "10.45",
              "lessThan": "10.48",
              "versionType": "custom"
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  "published": "2026-09-11T05:16:38.697",
  "references": [
    {
      "url": "https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48",
      "tags": [
        "Release Notes"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q7rw-r7qq-2hx6",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
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  "vulnStatus": "Undergoing Analysis",
  "weaknesses": [
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      "source": "cve@mitre.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-669"
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      "lang": "en",
      "value": "In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe."
    }
  ],
  "lastModified": "2026-09-16T18:56:28.643",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:pcre:pcre2:*:*:*:*:*:*:*:*",
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  "sourceIdentifier": "cve@mitre.org"
}