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CVE-2026-89162 (GCVE-0-2026-89162)

Vulnerability from cvelistv5 – Published: 2026-09-11 04:15 – Updated: 2026-09-11 04:15
VLAI
Summary
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.
CWE
  • CWE-669 - Incorrect Resource Transfer Between Spheres
Impacted products
Vendor Product Version CPE status
PCRE PCRE2 Affected: 10.45 , < 10.48 (custom)
    cpe:2.3:a:pcre:pcre2:*:*:*:*:*:*:*:*
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Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "PCRE2",
          "vendor": "PCRE",
          "versions": [
            {
              "lessThan": "10.48",
              "status": "affected",
              "version": "10.45",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:pcre:pcre2:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.48",
                  "versionStartIncluding": "10.45",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 2.9,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-669",
              "description": "CWE-669 Incorrect Resource Transfer Between Spheres",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-11T04:15:04.246Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48"
        },
        {
          "url": "https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q7rw-r7qq-2hx6"
        }
      ],
      "x_generator": {
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      }
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-89162",
    "datePublished": "2026-09-11T04:15:04.246Z",
    "dateReserved": "2026-09-11T04:15:03.865Z",
    "dateUpdated": "2026-09-11T04:15:04.246Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-89162\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2026-09-11T05:16:38.697\",\"lastModified\":\"2026-09-11T05:16:38.697\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"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.\"}],\"affected\":[{\"source\":\"cve@mitre.org\",\"affectedData\":[{\"vendor\":\"PCRE\",\"product\":\"PCRE2\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"10.45\",\"lessThan\":\"10.48\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@mitre.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":2.9,\"baseSeverity\":\"LOW\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.4,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"cve@mitre.org\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-669\"}]}],\"references\":[{\"url\":\"https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q7rw-r7qq-2hx6\",\"source\":\"cve@mitre.org\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-09-11T06:39:53+00:00",
      "cve": "CVE-2026-89162",
      "id": "CVE-2026-89162",
      "initial_release_date": "2026-09-11T04:15:04.246000+00:00",
      "product_status:known_affected": "69",
      "product_status:known_not_affected": "39",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "pcre2: PCRE2: Information disclosure via pcre2_serialize_encode",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89162.json",
      "version": "3"
    }
  }
}



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